Home / 104,557,421.40-156,836,132.10-99,854,496.60

Finding the Fourth Proportional to 104,557,421.40, 156,836,132.10 and 99,854,496.60

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Solution

The fourth proportional to 104,557,421.40, 156,836,132.10 and 99,854,496.60 is: 149,781,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,557,421.40 : 156,836,132.10 = 99,854,496.60 : x
  2. Step 2: Convert to fraction form
    104,557,421.40/156,836,132.10 = 99,854,496.60/x
  3. Step 3: Cross multiply
    104,557,421.40x = 156,836,132.10 × 99,854,496.60
  4. Step 4: Simplify right side
    104,557,421.40x = 15,660,793,019,536,600
  5. Step 5: Solve for x
    x = 15,660,793,019,536,600/104,557,421.40
  6. Step 6: Final answer
    x = 149,781,744.90

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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.