Home / 71,648,352.60-98,874,753.18-40,708,562.52

Finding the Fourth Proportional to 71,648,352.60, 98,874,753.18 and 40,708,562.52

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Solution

The fourth proportional to 71,648,352.60, 98,874,753.18 and 40,708,562.52 is: 56,177,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,352.60 : 98,874,753.18 = 40,708,562.52 : x
  2. Step 2: Convert to fraction form
    71,648,352.60/98,874,753.18 = 40,708,562.52/x
  3. Step 3: Cross multiply
    71,648,352.60x = 98,874,753.18 × 40,708,562.52
  4. Step 4: Simplify right side
    71,648,352.60x = 4,025,049,071,477,599.50
  5. Step 5: Solve for x
    x = 4,025,049,071,477,599.50/71,648,352.60
  6. Step 6: Final answer
    x = 56,177,831.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.