Home / 361,363,480.92-542,056,916.52-172,028,472.12

Finding the Fourth Proportional to 361,363,480.92, 542,056,916.52 and 172,028,472.12

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Solution

The fourth proportional to 361,363,480.92, 542,056,916.52 and 172,028,472.12 is: 258,048,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,363,480.92 : 542,056,916.52 = 172,028,472.12 : x
  2. Step 2: Convert to fraction form
    361,363,480.92/542,056,916.52 = 172,028,472.12/x
  3. Step 3: Cross multiply
    361,363,480.92x = 542,056,916.52 × 172,028,472.12
  4. Step 4: Simplify right side
    361,363,480.92x = 93,249,223,151,013,984
  5. Step 5: Solve for x
    x = 93,249,223,151,013,984/361,363,480.92
  6. Step 6: Final answer
    x = 258,048,275.70

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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.