Home / 124,484,105.70-186,726,158.55-67,088,477.70

Finding the Fourth Proportional to 124,484,105.70, 186,726,158.55 and 67,088,477.70

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Solution

The fourth proportional to 124,484,105.70, 186,726,158.55 and 67,088,477.70 is: 100,632,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,484,105.70 : 186,726,158.55 = 67,088,477.70 : x
  2. Step 2: Convert to fraction form
    124,484,105.70/186,726,158.55 = 67,088,477.70/x
  3. Step 3: Cross multiply
    124,484,105.70x = 186,726,158.55 × 67,088,477.70
  4. Step 4: Simplify right side
    124,484,105.70x = 12,527,173,723,888,340
  5. Step 5: Solve for x
    x = 12,527,173,723,888,340/124,484,105.70
  6. Step 6: Final answer
    x = 100,632,716.55

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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.