Home / 80,248,659.24-120,335,043.24-31,087,538.28

Finding the Fourth Proportional to 80,248,659.24, 120,335,043.24 and 31,087,538.28

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Solution

The fourth proportional to 80,248,659.24, 120,335,043.24 and 31,087,538.28 is: 46,616,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248,659.24 : 120,335,043.24 = 31,087,538.28 : x
  2. Step 2: Convert to fraction form
    80,248,659.24/120,335,043.24 = 31,087,538.28/x
  3. Step 3: Cross multiply
    80,248,659.24x = 120,335,043.24 × 31,087,538.28
  4. Step 4: Simplify right side
    80,248,659.24x = 3,740,920,263,148,955
  5. Step 5: Solve for x
    x = 3,740,920,263,148,955/80,248,659.24
  6. Step 6: Final answer
    x = 46,616,607.66

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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.