Home / 72,832,218.62-100,507,285.62-39,791,756.61

Finding the Fourth Proportional to 72,832,218.62, 100,507,285.62 and 39,791,756.61

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Solution

The fourth proportional to 72,832,218.62, 100,507,285.62 and 39,791,756.61 is: 54,911,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,832,218.62 : 100,507,285.62 = 39,791,756.61 : x
  2. Step 2: Convert to fraction form
    72,832,218.62/100,507,285.62 = 39,791,756.61/x
  3. Step 3: Cross multiply
    72,832,218.62x = 100,507,285.62 × 39,791,756.61
  4. Step 4: Simplify right side
    72,832,218.62x = 3,999,361,446,922,793
  5. Step 5: Solve for x
    x = 3,999,361,446,922,793/72,832,218.62
  6. Step 6: Final answer
    x = 54,911,981.58

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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.