Home / 123,659,166.60-185,488,749.90-72,598,840.20

Finding the Fourth Proportional to 123,659,166.60, 185,488,749.90 and 72,598,840.20

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Solution

The fourth proportional to 123,659,166.60, 185,488,749.90 and 72,598,840.20 is: 108,898,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,659,166.60 : 185,488,749.90 = 72,598,840.20 : x
  2. Step 2: Convert to fraction form
    123,659,166.60/185,488,749.90 = 72,598,840.20/x
  3. Step 3: Cross multiply
    123,659,166.60x = 185,488,749.90 × 72,598,840.20
  4. Step 4: Simplify right side
    123,659,166.60x = 13,466,268,112,887,866
  5. Step 5: Solve for x
    x = 13,466,268,112,887,866/123,659,166.60
  6. Step 6: Final answer
    x = 108,898,260.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.