Home / 99,635,122.47-137,523,816.87-57,832,655.21

Finding the Fourth Proportional to 99,635,122.47, 137,523,816.87 and 57,832,655.21

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Solution

The fourth proportional to 99,635,122.47, 137,523,816.87 and 57,832,655.21 is: 79,824,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,635,122.47 : 137,523,816.87 = 57,832,655.21 : x
  2. Step 2: Convert to fraction form
    99,635,122.47/137,523,816.87 = 57,832,655.21/x
  3. Step 3: Cross multiply
    99,635,122.47x = 137,523,816.87 × 57,832,655.21
  4. Step 4: Simplify right side
    99,635,122.47x = 7,953,367,485,078,215
  5. Step 5: Solve for x
    x = 7,953,367,485,078,215/99,635,122.47
  6. Step 6: Final answer
    x = 79,824,938.11

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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.