Home / 52,116,849.24-71,921,032.73-28,911,976.20

Finding the Fourth Proportional to 52,116,849.24, 71,921,032.73 and 28,911,976.20

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Solution

The fourth proportional to 52,116,849.24, 71,921,032.73 and 28,911,976.20 is: 39,898,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,116,849.24 : 71,921,032.73 = 28,911,976.20 : x
  2. Step 2: Convert to fraction form
    52,116,849.24/71,921,032.73 = 28,911,976.20/x
  3. Step 3: Cross multiply
    52,116,849.24x = 71,921,032.73 × 28,911,976.20
  4. Step 4: Simplify right side
    52,116,849.24x = 2,079,379,186,897,941.75
  5. Step 5: Solve for x
    x = 2,079,379,186,897,941.75/52,116,849.24
  6. Step 6: Final answer
    x = 39,898,405.55

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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.