Home / 288,293,236.97-432,513,568.28-83,821,312.22

Finding the Fourth Proportional to 288,293,236.97, 432,513,568.28 and 83,821,312.22

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Solution

The fourth proportional to 288,293,236.97, 432,513,568.28 and 83,821,312.22 is: 125,753,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,293,236.97 : 432,513,568.28 = 83,821,312.22 : x
  2. Step 2: Convert to fraction form
    288,293,236.97/432,513,568.28 = 83,821,312.22/x
  3. Step 3: Cross multiply
    288,293,236.97x = 432,513,568.28 × 83,821,312.22
  4. Step 4: Simplify right side
    288,293,236.97x = 36,253,854,844,231,160
  5. Step 5: Solve for x
    x = 36,253,854,844,231,160/288,293,236.97
  6. Step 6: Final answer
    x = 125,753,400.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.