Home / 100,532,956-138,746,739.60-60,862,352.80

Finding the Fourth Proportional to 100,532,956, 138,746,739.60 and 60,862,352.80

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Solution

The fourth proportional to 100,532,956, 138,746,739.60 and 60,862,352.80 is: 83,996,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,532,956 : 138,746,739.60 = 60,862,352.80 : x
  2. Step 2: Convert to fraction form
    100,532,956/138,746,739.60 = 60,862,352.80/x
  3. Step 3: Cross multiply
    100,532,956x = 138,746,739.60 × 60,862,352.80
  4. Step 4: Simplify right side
    100,532,956x = 8,444,453,015,384,930
  5. Step 5: Solve for x
    x = 8,444,453,015,384,930/100,532,956
  6. Step 6: Final answer
    x = 83,996,863.83

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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.