Home / 74,471,981.70-111,707,972.55-36,208,229.70

Finding the Fourth Proportional to 74,471,981.70, 111,707,972.55 and 36,208,229.70

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Solution

The fourth proportional to 74,471,981.70, 111,707,972.55 and 36,208,229.70 is: 54,312,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,471,981.70 : 111,707,972.55 = 36,208,229.70 : x
  2. Step 2: Convert to fraction form
    74,471,981.70/111,707,972.55 = 36,208,229.70/x
  3. Step 3: Cross multiply
    74,471,981.70x = 111,707,972.55 × 36,208,229.70
  4. Step 4: Simplify right side
    74,471,981.70x = 4,044,747,929,411,695
  5. Step 5: Solve for x
    x = 4,044,747,929,411,695/74,471,981.70
  6. Step 6: Final answer
    x = 54,312,344.55

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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.