Home / 71,077,491.90-98,102,092.95-48,780,978.30

Finding the Fourth Proportional to 71,077,491.90, 98,102,092.95 and 48,780,978.30

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Solution

The fourth proportional to 71,077,491.90, 98,102,092.95 and 48,780,978.30 is: 67,328,150.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077,491.90 : 98,102,092.95 = 48,780,978.30 : x
  2. Step 2: Convert to fraction form
    71,077,491.90/98,102,092.95 = 48,780,978.30/x
  3. Step 3: Cross multiply
    71,077,491.90x = 98,102,092.95 × 48,780,978.30
  4. Step 4: Simplify right side
    71,077,491.90x = 4,785,516,067,378,533
  5. Step 5: Solve for x
    x = 4,785,516,067,378,533/71,077,491.90
  6. Step 6: Final answer
    x = 67,328,150.44

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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.