Home / 69,989,781.60-104,984,672.40-59,786,114.40

Finding the Fourth Proportional to 69,989,781.60, 104,984,672.40 and 59,786,114.40

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Solution

The fourth proportional to 69,989,781.60, 104,984,672.40 and 59,786,114.40 is: 89,679,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989,781.60 : 104,984,672.40 = 59,786,114.40 : x
  2. Step 2: Convert to fraction form
    69,989,781.60/104,984,672.40 = 59,786,114.40/x
  3. Step 3: Cross multiply
    69,989,781.60x = 104,984,672.40 × 59,786,114.40
  4. Step 4: Simplify right side
    69,989,781.60x = 6,276,625,634,352,923
  5. Step 5: Solve for x
    x = 6,276,625,634,352,923/69,989,781.60
  6. Step 6: Final answer
    x = 89,679,171.60

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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.