Home / 125,631,423.60-188,453,040.30-39,372,644.40

Finding the Fourth Proportional to 125,631,423.60, 188,453,040.30 and 39,372,644.40

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Solution

The fourth proportional to 125,631,423.60, 188,453,040.30 and 39,372,644.40 is: 59,060,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,631,423.60 : 188,453,040.30 = 39,372,644.40 : x
  2. Step 2: Convert to fraction form
    125,631,423.60/188,453,040.30 = 39,372,644.40/x
  3. Step 3: Cross multiply
    125,631,423.60x = 188,453,040.30 × 39,372,644.40
  4. Step 4: Simplify right side
    125,631,423.60x = 7,419,894,541,830,770
  5. Step 5: Solve for x
    x = 7,419,894,541,830,770/125,631,423.60
  6. Step 6: Final answer
    x = 59,060,817.18

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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.