Home / 129,344,425.60-194,016,638.40-64,658,214.40

Finding the Fourth Proportional to 129,344,425.60, 194,016,638.40 and 64,658,214.40

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Solution

The fourth proportional to 129,344,425.60, 194,016,638.40 and 64,658,214.40 is: 96,987,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,425.60 : 194,016,638.40 = 64,658,214.40 : x
  2. Step 2: Convert to fraction form
    129,344,425.60/194,016,638.40 = 64,658,214.40/x
  3. Step 3: Cross multiply
    129,344,425.60x = 194,016,638.40 × 64,658,214.40
  4. Step 4: Simplify right side
    129,344,425.60x = 12,544,769,402,834,474
  5. Step 5: Solve for x
    x = 12,544,769,402,834,474/129,344,425.60
  6. Step 6: Final answer
    x = 96,987,321.60

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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.