Home / 354,294,667.90-531,442,001.85-172,896,139.90

Finding the Fourth Proportional to 354,294,667.90, 531,442,001.85 and 172,896,139.90

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Solution

The fourth proportional to 354,294,667.90, 531,442,001.85 and 172,896,139.90 is: 259,344,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,667.90 : 531,442,001.85 = 172,896,139.90 : x
  2. Step 2: Convert to fraction form
    354,294,667.90/531,442,001.85 = 172,896,139.90/x
  3. Step 3: Cross multiply
    354,294,667.90x = 531,442,001.85 × 172,896,139.90
  4. Step 4: Simplify right side
    354,294,667.90x = 91,884,270,700,593,664
  5. Step 5: Solve for x
    x = 91,884,270,700,593,664/354,294,667.90
  6. Step 6: Final answer
    x = 259,344,209.85

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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.