Home / 215,540,385.20-323,310,577.80-106,417,833.20

Finding the Fourth Proportional to 215,540,385.20, 323,310,577.80 and 106,417,833.20

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Solution

The fourth proportional to 215,540,385.20, 323,310,577.80 and 106,417,833.20 is: 159,626,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,540,385.20 : 323,310,577.80 = 106,417,833.20 : x
  2. Step 2: Convert to fraction form
    215,540,385.20/323,310,577.80 = 106,417,833.20/x
  3. Step 3: Cross multiply
    215,540,385.20x = 323,310,577.80 × 106,417,833.20
  4. Step 4: Simplify right side
    215,540,385.20x = 34,406,011,140,116,024
  5. Step 5: Solve for x
    x = 34,406,011,140,116,024/215,540,385.20
  6. Step 6: Final answer
    x = 159,626,749.80

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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.