Home / 129,359,658.40-194,039,487.60-88,544,989.60

Finding the Fourth Proportional to 129,359,658.40, 194,039,487.60 and 88,544,989.60

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Solution

The fourth proportional to 129,359,658.40, 194,039,487.60 and 88,544,989.60 is: 132,817,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,359,658.40 : 194,039,487.60 = 88,544,989.60 : x
  2. Step 2: Convert to fraction form
    129,359,658.40/194,039,487.60 = 88,544,989.60/x
  3. Step 3: Cross multiply
    129,359,658.40x = 194,039,487.60 × 88,544,989.60
  4. Step 4: Simplify right side
    129,359,658.40x = 17,181,224,411,531,328
  5. Step 5: Solve for x
    x = 17,181,224,411,531,328/129,359,658.40
  6. Step 6: Final answer
    x = 132,817,484.40

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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.