Home / 71,746,443.40-107,619,665.10-64,943,998.60

Finding the Fourth Proportional to 71,746,443.40, 107,619,665.10 and 64,943,998.60

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Solution

The fourth proportional to 71,746,443.40, 107,619,665.10 and 64,943,998.60 is: 97,415,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,746,443.40 : 107,619,665.10 = 64,943,998.60 : x
  2. Step 2: Convert to fraction form
    71,746,443.40/107,619,665.10 = 64,943,998.60/x
  3. Step 3: Cross multiply
    71,746,443.40x = 107,619,665.10 × 64,943,998.60
  4. Step 4: Simplify right side
    71,746,443.40x = 6,989,251,379,586,869
  5. Step 5: Solve for x
    x = 6,989,251,379,586,869/71,746,443.40
  6. Step 6: Final answer
    x = 97,415,997.90

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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.