Home / 155,990,035.83-215,490,474.96-124,586,854.98

Finding the Fourth Proportional to 155,990,035.83, 215,490,474.96 and 124,586,854.98

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Solution

The fourth proportional to 155,990,035.83, 215,490,474.96 and 124,586,854.98 is: 172,108,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,990,035.83 : 215,490,474.96 = 124,586,854.98 : x
  2. Step 2: Convert to fraction form
    155,990,035.83/215,490,474.96 = 124,586,854.98/x
  3. Step 3: Cross multiply
    155,990,035.83x = 215,490,474.96 × 124,586,854.98
  4. Step 4: Simplify right side
    155,990,035.83x = 26,847,280,553,412,844
  5. Step 5: Solve for x
    x = 26,847,280,553,412,844/155,990,035.83
  6. Step 6: Final answer
    x = 172,108,945.36

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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.