Home / 85,156,989.04-117,516,689.76-45,998,764.84

Finding the Fourth Proportional to 85,156,989.04, 117,516,689.76 and 45,998,764.84

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Solution

The fourth proportional to 85,156,989.04, 117,516,689.76 and 45,998,764.84 is: 63,478,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156,989.04 : 117,516,689.76 = 45,998,764.84 : x
  2. Step 2: Convert to fraction form
    85,156,989.04/117,516,689.76 = 45,998,764.84/x
  3. Step 3: Cross multiply
    85,156,989.04x = 117,516,689.76 × 45,998,764.84
  4. Step 4: Simplify right side
    85,156,989.04x = 5,405,622,577,045,477
  5. Step 5: Solve for x
    x = 5,405,622,577,045,477/85,156,989.04
  6. Step 6: Final answer
    x = 63,478,319.72

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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.