Home / 186,983,253.52-280,488,967.89-55,815,163.42

Finding the Fourth Proportional to 186,983,253.52, 280,488,967.89 and 55,815,163.42

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Solution

The fourth proportional to 186,983,253.52, 280,488,967.89 and 55,815,163.42 is: 83,726,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,983,253.52 : 280,488,967.89 = 55,815,163.42 : x
  2. Step 2: Convert to fraction form
    186,983,253.52/280,488,967.89 = 55,815,163.42/x
  3. Step 3: Cross multiply
    186,983,253.52x = 280,488,967.89 × 55,815,163.42
  4. Step 4: Simplify right side
    186,983,253.52x = 15,655,537,580,287,482
  5. Step 5: Solve for x
    x = 15,655,537,580,287,482/186,983,253.52
  6. Step 6: Final answer
    x = 83,726,950.33

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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.