Home / 71,820,003.60-107,730,005.40-49,145,187.60

Finding the Fourth Proportional to 71,820,003.60, 107,730,005.40 and 49,145,187.60

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Solution

The fourth proportional to 71,820,003.60, 107,730,005.40 and 49,145,187.60 is: 73,717,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,820,003.60 : 107,730,005.40 = 49,145,187.60 : x
  2. Step 2: Convert to fraction form
    71,820,003.60/107,730,005.40 = 49,145,187.60/x
  3. Step 3: Cross multiply
    71,820,003.60x = 107,730,005.40 × 49,145,187.60
  4. Step 4: Simplify right side
    71,820,003.60x = 5,294,411,325,532,013
  5. Step 5: Solve for x
    x = 5,294,411,325,532,013/71,820,003.60
  6. Step 6: Final answer
    x = 73,717,781.40

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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.