Home / 155,990,037.59-215,490,477.36-124,586,856.73

Finding the Fourth Proportional to 155,990,037.59, 215,490,477.36 and 124,586,856.73

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Solution

The fourth proportional to 155,990,037.59, 215,490,477.36 and 124,586,856.73 is: 172,108,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,990,037.59 : 215,490,477.36 = 124,586,856.73 : x
  2. Step 2: Convert to fraction form
    155,990,037.59/215,490,477.36 = 124,586,856.73/x
  3. Step 3: Cross multiply
    155,990,037.59x = 215,490,477.36 × 124,586,856.73
  4. Step 4: Simplify right side
    155,990,037.59x = 26,847,281,229,529,632
  5. Step 5: Solve for x
    x = 26,847,281,229,529,632/155,990,037.59
  6. Step 6: Final answer
    x = 172,108,947.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.