Home / 113,509,118.73-156,642,581.14-61,298,150.12

Finding the Fourth Proportional to 113,509,118.73, 156,642,581.14 and 61,298,150.12

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Solution

The fourth proportional to 113,509,118.73, 156,642,581.14 and 61,298,150.12 is: 84,591,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,118.73 : 156,642,581.14 = 61,298,150.12 : x
  2. Step 2: Convert to fraction form
    113,509,118.73/156,642,581.14 = 61,298,150.12/x
  3. Step 3: Cross multiply
    113,509,118.73x = 156,642,581.14 × 61,298,150.12
  4. Step 4: Simplify right side
    113,509,118.73x = 9,601,900,453,904,000
  5. Step 5: Solve for x
    x = 9,601,900,453,904,000/113,509,118.73
  6. Step 6: Final answer
    x = 84,591,445.70

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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.