Home / 125,963,999.70-188,945,999.55-53,262,870.90

Finding the Fourth Proportional to 125,963,999.70, 188,945,999.55 and 53,262,870.90

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Solution

The fourth proportional to 125,963,999.70, 188,945,999.55 and 53,262,870.90 is: 79,894,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,963,999.70 : 188,945,999.55 = 53,262,870.90 : x
  2. Step 2: Convert to fraction form
    125,963,999.70/188,945,999.55 = 53,262,870.90/x
  3. Step 3: Cross multiply
    125,963,999.70x = 188,945,999.55 × 53,262,870.90
  4. Step 4: Simplify right side
    125,963,999.70x = 10,063,806,381,103,108
  5. Step 5: Solve for x
    x = 10,063,806,381,103,108/125,963,999.70
  6. Step 6: Final answer
    x = 79,894,306.35

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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.