Home / 72,498,812.40-108,748,218.60-59,227,772.40

Finding the Fourth Proportional to 72,498,812.40, 108,748,218.60 and 59,227,772.40

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Solution

The fourth proportional to 72,498,812.40, 108,748,218.60 and 59,227,772.40 is: 88,841,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,498,812.40 : 108,748,218.60 = 59,227,772.40 : x
  2. Step 2: Convert to fraction form
    72,498,812.40/108,748,218.60 = 59,227,772.40/x
  3. Step 3: Cross multiply
    72,498,812.40x = 108,748,218.60 × 59,227,772.40
  4. Step 4: Simplify right side
    72,498,812.40x = 6,440,914,740,146,246
  5. Step 5: Solve for x
    x = 6,440,914,740,146,246/72,498,812.40
  6. Step 6: Final answer
    x = 88,841,658.60

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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.