Home / 260,780,734.80-359,798,935.08-156,320,691.84

Finding the Fourth Proportional to 260,780,734.80, 359,798,935.08 and 156,320,691.84

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Solution

The fourth proportional to 260,780,734.80, 359,798,935.08 and 156,320,691.84 is: 215,675,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,780,734.80 : 359,798,935.08 = 156,320,691.84 : x
  2. Step 2: Convert to fraction form
    260,780,734.80/359,798,935.08 = 156,320,691.84/x
  3. Step 3: Cross multiply
    260,780,734.80x = 359,798,935.08 × 156,320,691.84
  4. Step 4: Simplify right side
    260,780,734.80x = 56,244,018,455,000,848
  5. Step 5: Solve for x
    x = 56,244,018,455,000,848/260,780,734.80
  6. Step 6: Final answer
    x = 215,675,511.84

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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.