Home / 96,813,723.40-145,220,585.10-85,098,401.80

Finding the Fourth Proportional to 96,813,723.40, 145,220,585.10 and 85,098,401.80

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Solution

The fourth proportional to 96,813,723.40, 145,220,585.10 and 85,098,401.80 is: 127,647,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,813,723.40 : 145,220,585.10 = 85,098,401.80 : x
  2. Step 2: Convert to fraction form
    96,813,723.40/145,220,585.10 = 85,098,401.80/x
  3. Step 3: Cross multiply
    96,813,723.40x = 145,220,585.10 × 85,098,401.80
  4. Step 4: Simplify right side
    96,813,723.40x = 12,358,039,700,470,892
  5. Step 5: Solve for x
    x = 12,358,039,700,470,892/96,813,723.40
  6. Step 6: Final answer
    x = 127,647,602.70

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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.