Home / 71,479,331.60-107,218,997.40-59,575,053.20

Finding the Fourth Proportional to 71,479,331.60, 107,218,997.40 and 59,575,053.20

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Solution

The fourth proportional to 71,479,331.60, 107,218,997.40 and 59,575,053.20 is: 89,362,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,479,331.60 : 107,218,997.40 = 59,575,053.20 : x
  2. Step 2: Convert to fraction form
    71,479,331.60/107,218,997.40 = 59,575,053.20/x
  3. Step 3: Cross multiply
    71,479,331.60x = 107,218,997.40 × 59,575,053.20
  4. Step 4: Simplify right side
    71,479,331.60x = 6,387,577,474,155,662
  5. Step 5: Solve for x
    x = 6,387,577,474,155,662/71,479,331.60
  6. Step 6: Final answer
    x = 89,362,579.80

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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.