Home / 137,409,017.63-206,063,617.68-75,206,308.95

Finding the Fourth Proportional to 137,409,017.63, 206,063,617.68 and 75,206,308.95

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Solution

The fourth proportional to 137,409,017.63, 206,063,617.68 and 75,206,308.95 is: 112,782,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,409,017.63 : 206,063,617.68 = 75,206,308.95 : x
  2. Step 2: Convert to fraction form
    137,409,017.63/206,063,617.68 = 75,206,308.95/x
  3. Step 3: Cross multiply
    137,409,017.63x = 206,063,617.68 × 75,206,308.95
  4. Step 4: Simplify right side
    137,409,017.63x = 15,497,284,094,596,764
  5. Step 5: Solve for x
    x = 15,497,284,094,596,764/137,409,017.63
  6. Step 6: Final answer
    x = 112,782,147.51

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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.