Home / 252,532,363.80-378,798,545.70-155,172,372.60

Finding the Fourth Proportional to 252,532,363.80, 378,798,545.70 and 155,172,372.60

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Solution

The fourth proportional to 252,532,363.80, 378,798,545.70 and 155,172,372.60 is: 232,758,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,532,363.80 : 378,798,545.70 = 155,172,372.60 : x
  2. Step 2: Convert to fraction form
    252,532,363.80/378,798,545.70 = 155,172,372.60/x
  3. Step 3: Cross multiply
    252,532,363.80x = 378,798,545.70 × 155,172,372.60
  4. Step 4: Simplify right side
    252,532,363.80x = 58,779,069,073,698,520
  5. Step 5: Solve for x
    x = 58,779,069,073,698,520/252,532,363.80
  6. Step 6: Final answer
    x = 232,758,558.90

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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.