Home / 72,782,065,744.17-109,178,587,842.29-21,726,331,369.85

Finding the Fourth Proportional to 72,782,065,744.17, 109,178,587,842.29 and 21,726,331,369.85

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Solution

The fourth proportional to 72,782,065,744.17, 109,178,587,842.29 and 21,726,331,369.85 is: 32,591,135,655.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,782,065,744.17 : 109,178,587,842.29 = 21,726,331,369.85 : x
  2. Step 2: Convert to fraction form
    72,782,065,744.17/109,178,587,842.29 = 21,726,331,369.85/x
  3. Step 3: Cross multiply
    72,782,065,744.17x = 109,178,587,842.29 × 21,726,331,369.85
  4. Step 4: Simplify right side
    72,782,065,744.17x = 2,372,050,177,953,323,024,384
  5. Step 5: Solve for x
    x = 2,372,050,177,953,323,024,384/72,782,065,744.17
  6. Step 6: Final answer
    x = 32,591,135,655.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.