Home / 288,293,300.96-432,513,663.96-83,821,376

Finding the Fourth Proportional to 288,293,300.96, 432,513,663.96 and 83,821,376

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Solution

The fourth proportional to 288,293,300.96, 432,513,663.96 and 83,821,376 is: 125,753,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,293,300.96 : 432,513,663.96 = 83,821,376 : x
  2. Step 2: Convert to fraction form
    288,293,300.96/432,513,663.96 = 83,821,376/x
  3. Step 3: Cross multiply
    288,293,300.96x = 432,513,663.96 × 83,821,376
  4. Step 4: Simplify right side
    288,293,300.96x = 36,253,890,451,928,808
  5. Step 5: Solve for x
    x = 36,253,890,451,928,808/288,293,300.96
  6. Step 6: Final answer
    x = 125,753,495.94

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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.