Home / 71,648,373.60-98,874,782.16-40,708,583.52

Finding the Fourth Proportional to 71,648,373.60, 98,874,782.16 and 40,708,583.52

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Solution

The fourth proportional to 71,648,373.60, 98,874,782.16 and 40,708,583.52 is: 56,177,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,373.60 : 98,874,782.16 = 40,708,583.52 : x
  2. Step 2: Convert to fraction form
    71,648,373.60/98,874,782.16 = 40,708,583.52/x
  3. Step 3: Cross multiply
    71,648,373.60x = 98,874,782.16 × 40,708,583.52
  4. Step 4: Simplify right side
    71,648,373.60x = 4,025,052,327,582,166
  5. Step 5: Solve for x
    x = 4,025,052,327,582,166/71,648,373.60
  6. Step 6: Final answer
    x = 56,177,860.37

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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.