Home / 52,488,045.90-78,732,068.85-38,043,348.30

Finding the Fourth Proportional to 52,488,045.90, 78,732,068.85 and 38,043,348.30

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Solution

The fourth proportional to 52,488,045.90, 78,732,068.85 and 38,043,348.30 is: 57,065,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,045.90 : 78,732,068.85 = 38,043,348.30 : x
  2. Step 2: Convert to fraction form
    52,488,045.90/78,732,068.85 = 38,043,348.30/x
  3. Step 3: Cross multiply
    52,488,045.90x = 78,732,068.85 × 38,043,348.30
  4. Step 4: Simplify right side
    52,488,045.90x = 2,995,231,517,640,130
  5. Step 5: Solve for x
    x = 2,995,231,517,640,130/52,488,045.90
  6. Step 6: Final answer
    x = 57,065,022.45

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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.