Home / 155,990,032.83-215,490,470.82-124,586,851.98

Finding the Fourth Proportional to 155,990,032.83, 215,490,470.82 and 124,586,851.98

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Solution

The fourth proportional to 155,990,032.83, 215,490,470.82 and 124,586,851.98 is: 172,108,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,990,032.83 : 215,490,470.82 = 124,586,851.98 : x
  2. Step 2: Convert to fraction form
    155,990,032.83/215,490,470.82 = 124,586,851.98/x
  3. Step 3: Cross multiply
    155,990,032.83x = 215,490,470.82 × 124,586,851.98
  4. Step 4: Simplify right side
    155,990,032.83x = 26,847,279,391,151,848
  5. Step 5: Solve for x
    x = 26,847,279,391,151,848/155,990,032.83
  6. Step 6: Final answer
    x = 172,108,941.22

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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.