Home / 67,068,007.20-100,602,010.80-34,782,966.45

Finding the Fourth Proportional to 67,068,007.20, 100,602,010.80 and 34,782,966.45

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Solution

The fourth proportional to 67,068,007.20, 100,602,010.80 and 34,782,966.45 is: 52,174,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,007.20 : 100,602,010.80 = 34,782,966.45 : x
  2. Step 2: Convert to fraction form
    67,068,007.20/100,602,010.80 = 34,782,966.45/x
  3. Step 3: Cross multiply
    67,068,007.20x = 100,602,010.80 × 34,782,966.45
  4. Step 4: Simplify right side
    67,068,007.20x = 3,499,236,366,458,938
  5. Step 5: Solve for x
    x = 3,499,236,366,458,938/67,068,007.20
  6. Step 6: Final answer
    x = 52,174,449.68

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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.