Home / 129,358,505.60-194,037,758.40-64,672,294.40

Finding the Fourth Proportional to 129,358,505.60, 194,037,758.40 and 64,672,294.40

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Solution

The fourth proportional to 129,358,505.60, 194,037,758.40 and 64,672,294.40 is: 97,008,441.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,358,505.60 : 194,037,758.40 = 64,672,294.40 : x
  2. Step 2: Convert to fraction form
    129,358,505.60/194,037,758.40 = 64,672,294.40/x
  3. Step 3: Cross multiply
    129,358,505.60x = 194,037,758.40 × 64,672,294.40
  4. Step 4: Simplify right side
    129,358,505.60x = 12,548,867,035,960,874
  5. Step 5: Solve for x
    x = 12,548,867,035,960,874/129,358,505.60
  6. Step 6: Final answer
    x = 97,008,441.60

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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.