Home / 157,169,105.40-235,753,658.10-80,641,601.40

Finding the Fourth Proportional to 157,169,105.40, 235,753,658.10 and 80,641,601.40

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Solution

The fourth proportional to 157,169,105.40, 235,753,658.10 and 80,641,601.40 is: 120,962,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,169,105.40 : 235,753,658.10 = 80,641,601.40 : x
  2. Step 2: Convert to fraction form
    157,169,105.40/235,753,658.10 = 80,641,601.40/x
  3. Step 3: Cross multiply
    157,169,105.40x = 235,753,658.10 × 80,641,601.40
  4. Step 4: Simplify right side
    157,169,105.40x = 19,011,552,525,092,084
  5. Step 5: Solve for x
    x = 19,011,552,525,092,084/157,169,105.40
  6. Step 6: Final answer
    x = 120,962,402.10

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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.