Home / 151,552,904.85-209,143,050.35-83,658,064.14

Finding the Fourth Proportional to 151,552,904.85, 209,143,050.35 and 83,658,064.14

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Solution

The fourth proportional to 151,552,904.85, 209,143,050.35 and 83,658,064.14 is: 115,448,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,552,904.85 : 209,143,050.35 = 83,658,064.14 : x
  2. Step 2: Convert to fraction form
    151,552,904.85/209,143,050.35 = 83,658,064.14/x
  3. Step 3: Cross multiply
    151,552,904.85x = 209,143,050.35 × 83,658,064.14
  4. Step 4: Simplify right side
    151,552,904.85x = 17,496,502,720,197,260
  5. Step 5: Solve for x
    x = 17,496,502,720,197,260/151,552,904.85
  6. Step 6: Final answer
    x = 115,448,151.51

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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.