Home / 125,023,910.70-187,535,866.05-38,771,036.40

Finding the Fourth Proportional to 125,023,910.70, 187,535,866.05 and 38,771,036.40

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Solution

The fourth proportional to 125,023,910.70, 187,535,866.05 and 38,771,036.40 is: 58,156,554.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,023,910.70 : 187,535,866.05 = 38,771,036.40 : x
  2. Step 2: Convert to fraction form
    125,023,910.70/187,535,866.05 = 38,771,036.40/x
  3. Step 3: Cross multiply
    125,023,910.70x = 187,535,866.05 × 38,771,036.40
  4. Step 4: Simplify right side
    125,023,910.70x = 7,270,959,888,930,074
  5. Step 5: Solve for x
    x = 7,270,959,888,930,074/125,023,910.70
  6. Step 6: Final answer
    x = 58,156,554.60

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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.