Home / 218,363,269.60-327,544,904.40-103,572,013.60

Finding the Fourth Proportional to 218,363,269.60, 327,544,904.40 and 103,572,013.60

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Solution

The fourth proportional to 218,363,269.60, 327,544,904.40 and 103,572,013.60 is: 155,358,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,363,269.60 : 327,544,904.40 = 103,572,013.60 : x
  2. Step 2: Convert to fraction form
    218,363,269.60/327,544,904.40 = 103,572,013.60/x
  3. Step 3: Cross multiply
    218,363,269.60x = 327,544,904.40 × 103,572,013.60
  4. Step 4: Simplify right side
    218,363,269.60x = 33,924,485,293,127,496
  5. Step 5: Solve for x
    x = 33,924,485,293,127,496/218,363,269.60
  6. Step 6: Final answer
    x = 155,358,020.40

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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.