Home / 68,532,139.60-102,798,209.40-65,508,830.80

Finding the Fourth Proportional to 68,532,139.60, 102,798,209.40 and 65,508,830.80

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Solution

The fourth proportional to 68,532,139.60, 102,798,209.40 and 65,508,830.80 is: 98,263,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,532,139.60 : 102,798,209.40 = 65,508,830.80 : x
  2. Step 2: Convert to fraction form
    68,532,139.60/102,798,209.40 = 65,508,830.80/x
  3. Step 3: Cross multiply
    68,532,139.60x = 102,798,209.40 × 65,508,830.80
  4. Step 4: Simplify right side
    68,532,139.60x = 6,734,190,506,127,570
  5. Step 5: Solve for x
    x = 6,734,190,506,127,570/68,532,139.60
  6. Step 6: Final answer
    x = 98,263,246.20

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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.