Home / 100,532,953.50-138,746,736.15-60,862,350.30

Finding the Fourth Proportional to 100,532,953.50, 138,746,736.15 and 60,862,350.30

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Solution

The fourth proportional to 100,532,953.50, 138,746,736.15 and 60,862,350.30 is: 83,996,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,532,953.50 : 138,746,736.15 = 60,862,350.30 : x
  2. Step 2: Convert to fraction form
    100,532,953.50/138,746,736.15 = 60,862,350.30/x
  3. Step 3: Cross multiply
    100,532,953.50x = 138,746,736.15 × 60,862,350.30
  4. Step 4: Simplify right side
    100,532,953.50x = 8,444,452,458,542,973
  5. Step 5: Solve for x
    x = 8,444,452,458,542,973/100,532,953.50
  6. Step 6: Final answer
    x = 83,996,860.38

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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.