Home / 84,172,817.60-126,189,242.40-35,687,902.40

Finding the Fourth Proportional to 84,172,817.60, 126,189,242.40 and 35,687,902.40

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Solution

The fourth proportional to 84,172,817.60, 126,189,242.40 and 35,687,902.40 is: 53,502,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172,817.60 : 126,189,242.40 = 35,687,902.40 : x
  2. Step 2: Convert to fraction form
    84,172,817.60/126,189,242.40 = 35,687,902.40/x
  3. Step 3: Cross multiply
    84,172,817.60x = 126,189,242.40 × 35,687,902.40
  4. Step 4: Simplify right side
    84,172,817.60x = 4,503,429,366,701,142
  5. Step 5: Solve for x
    x = 4,503,429,366,701,142/84,172,817.60
  6. Step 6: Final answer
    x = 53,502,181.52

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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.