Home / 153,228,154,436.21-211,461,277,164.16-88,122,632,562.69

Finding the Fourth Proportional to 153,228,154,436.21, 211,461,277,164.16 and 88,122,632,562.69

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Solution

The fourth proportional to 153,228,154,436.21, 211,461,277,164.16 and 88,122,632,562.69 is: 121,612,927,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,228,154,436.21 : 211,461,277,164.16 = 88,122,632,562.69 : x
  2. Step 2: Convert to fraction form
    153,228,154,436.21/211,461,277,164.16 = 88,122,632,562.69/x
  3. Step 3: Cross multiply
    153,228,154,436.21x = 211,461,277,164.16 × 88,122,632,562.69
  4. Step 4: Simplify right side
    153,228,154,436.21x = 18,634,524,428,774,422,872,064
  5. Step 5: Solve for x
    x = 18,634,524,428,774,422,872,064/153,228,154,436.21
  6. Step 6: Final answer
    x = 121,612,927,450.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.