Home / 129,344,683.60-194,017,025.40-64,658,472.40

Finding the Fourth Proportional to 129,344,683.60, 194,017,025.40 and 64,658,472.40

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Solution

The fourth proportional to 129,344,683.60, 194,017,025.40 and 64,658,472.40 is: 96,987,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,683.60 : 194,017,025.40 = 64,658,472.40 : x
  2. Step 2: Convert to fraction form
    129,344,683.60/194,017,025.40 = 64,658,472.40/x
  3. Step 3: Cross multiply
    129,344,683.60x = 194,017,025.40 × 64,658,472.40
  4. Step 4: Simplify right side
    129,344,683.60x = 12,544,844,481,956,000
  5. Step 5: Solve for x
    x = 12,544,844,481,956,000/129,344,683.60
  6. Step 6: Final answer
    x = 96,987,708.60

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1.5x scale

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.