Home / 84,172,820.60-126,189,246.90-35,687,905.40

Finding the Fourth Proportional to 84,172,820.60, 126,189,246.90 and 35,687,905.40

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Solution

The fourth proportional to 84,172,820.60, 126,189,246.90 and 35,687,905.40 is: 53,502,186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172,820.60 : 126,189,246.90 = 35,687,905.40 : x
  2. Step 2: Convert to fraction form
    84,172,820.60/126,189,246.90 = 35,687,905.40/x
  3. Step 3: Cross multiply
    84,172,820.60x = 126,189,246.90 × 35,687,905.40
  4. Step 4: Simplify right side
    84,172,820.60x = 4,503,429,905,864,443.50
  5. Step 5: Solve for x
    x = 4,503,429,905,864,443.50/84,172,820.60
  6. Step 6: Final answer
    x = 53,502,186.02

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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.