Home / 92,448,187.20-138,672,280.80-65,574,331.20

Finding the Fourth Proportional to 92,448,187.20, 138,672,280.80 and 65,574,331.20

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Solution

The fourth proportional to 92,448,187.20, 138,672,280.80 and 65,574,331.20 is: 98,361,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,448,187.20 : 138,672,280.80 = 65,574,331.20 : x
  2. Step 2: Convert to fraction form
    92,448,187.20/138,672,280.80 = 65,574,331.20/x
  3. Step 3: Cross multiply
    92,448,187.20x = 138,672,280.80 × 65,574,331.20
  4. Step 4: Simplify right side
    92,448,187.20x = 9,093,342,069,438,602
  5. Step 5: Solve for x
    x = 9,093,342,069,438,602/92,448,187.20
  6. Step 6: Final answer
    x = 98,361,496.80

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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.