Home / 113,763,255.66-156,948,621.69-66,070,390.95

Finding the Fourth Proportional to 113,763,255.66, 156,948,621.69 and 66,070,390.95

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Solution

The fourth proportional to 113,763,255.66, 156,948,621.69 and 66,070,390.95 is: 91,151,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763,255.66 : 156,948,621.69 = 66,070,390.95 : x
  2. Step 2: Convert to fraction form
    113,763,255.66/156,948,621.69 = 66,070,390.95/x
  3. Step 3: Cross multiply
    113,763,255.66x = 156,948,621.69 × 66,070,390.95
  4. Step 4: Simplify right side
    113,763,255.66x = 10,369,656,794,121,950
  5. Step 5: Solve for x
    x = 10,369,656,794,121,950/113,763,255.66
  6. Step 6: Final answer
    x = 91,151,195.82

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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.