Home / 288,602,306.64-432,975,206.52-84,132,179.28

Finding the Fourth Proportional to 288,602,306.64, 432,975,206.52 and 84,132,179.28

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Solution

The fourth proportional to 288,602,306.64, 432,975,206.52 and 84,132,179.28 is: 126,219,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,602,306.64 : 432,975,206.52 = 84,132,179.28 : x
  2. Step 2: Convert to fraction form
    288,602,306.64/432,975,206.52 = 84,132,179.28/x
  3. Step 3: Cross multiply
    288,602,306.64x = 432,975,206.52 × 84,132,179.28
  4. Step 4: Simplify right side
    288,602,306.64x = 36,427,147,698,735,664
  5. Step 5: Solve for x
    x = 36,427,147,698,735,664/288,602,306.64
  6. Step 6: Final answer
    x = 126,219,184.19

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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.