Home / 385,500,177.38-578,032,965.66-126,645,895.10

Finding the Fourth Proportional to 385,500,177.38, 578,032,965.66 and 126,645,895.10

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Solution

The fourth proportional to 385,500,177.38, 578,032,965.66 and 126,645,895.10 is: 189,897,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,500,177.38 : 578,032,965.66 = 126,645,895.10 : x
  2. Step 2: Convert to fraction form
    385,500,177.38/578,032,965.66 = 126,645,895.10/x
  3. Step 3: Cross multiply
    385,500,177.38x = 578,032,965.66 × 126,645,895.10
  4. Step 4: Simplify right side
    385,500,177.38x = 73,205,502,333,318,256
  5. Step 5: Solve for x
    x = 73,205,502,333,318,256/385,500,177.38
  6. Step 6: Final answer
    x = 189,897,454.34

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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.