Home / 181,920,569.28-251,075,989.20-115,819,952.28

Finding the Fourth Proportional to 181,920,569.28, 251,075,989.20 and 115,819,952.28

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Solution

The fourth proportional to 181,920,569.28, 251,075,989.20 and 115,819,952.28 is: 159,847,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,920,569.28 : 251,075,989.20 = 115,819,952.28 : x
  2. Step 2: Convert to fraction form
    181,920,569.28/251,075,989.20 = 115,819,952.28/x
  3. Step 3: Cross multiply
    181,920,569.28x = 251,075,989.20 × 115,819,952.28
  4. Step 4: Simplify right side
    181,920,569.28x = 29,079,609,087,797,796
  5. Step 5: Solve for x
    x = 29,079,609,087,797,796/181,920,569.28
  6. Step 6: Final answer
    x = 159,847,834.71

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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.