Home / 40,279,580.70-60,348,220.65-38,947,551.90

Finding the Fourth Proportional to 40,279,580.70, 60,348,220.65 and 38,947,551.90

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Solution

The fourth proportional to 40,279,580.70, 60,348,220.65 and 38,947,551.90 is: 58,352,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279,580.70 : 60,348,220.65 = 38,947,551.90 : x
  2. Step 2: Convert to fraction form
    40,279,580.70/60,348,220.65 = 38,947,551.90/x
  3. Step 3: Cross multiply
    40,279,580.70x = 60,348,220.65 × 38,947,551.90
  4. Step 4: Simplify right side
    40,279,580.70x = 2,350,415,455,838,526.50
  5. Step 5: Solve for x
    x = 2,350,415,455,838,526.50/40,279,580.70
  6. Step 6: Final answer
    x = 58,352,530.36

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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.