Home / 153,228,154,478.72-211,461,277,222.80-88,122,632,605.28

Finding the Fourth Proportional to 153,228,154,478.72, 211,461,277,222.80 and 88,122,632,605.28

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Solution

The fourth proportional to 153,228,154,478.72, 211,461,277,222.80 and 88,122,632,605.28 is: 121,612,927,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,228,154,478.72 : 211,461,277,222.80 = 88,122,632,605.28 : x
  2. Step 2: Convert to fraction form
    153,228,154,478.72/211,461,277,222.80 = 88,122,632,605.28/x
  3. Step 3: Cross multiply
    153,228,154,478.72x = 211,461,277,222.80 × 88,122,632,605.28
  4. Step 4: Simplify right side
    153,228,154,478.72x = 18,634,524,442,948,066,607,104
  5. Step 5: Solve for x
    x = 18,634,524,442,948,066,607,104/153,228,154,478.72
  6. Step 6: Final answer
    x = 121,612,927,508.93

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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.