Home / 145,156,964.20-217,735,446.30-49,418,852.20

Finding the Fourth Proportional to 145,156,964.20, 217,735,446.30 and 49,418,852.20

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Solution

The fourth proportional to 145,156,964.20, 217,735,446.30 and 49,418,852.20 is: 74,128,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,964.20 : 217,735,446.30 = 49,418,852.20 : x
  2. Step 2: Convert to fraction form
    145,156,964.20/217,735,446.30 = 49,418,852.20/x
  3. Step 3: Cross multiply
    145,156,964.20x = 217,735,446.30 × 49,418,852.20
  4. Step 4: Simplify right side
    145,156,964.20x = 10,760,235,839,400,738
  5. Step 5: Solve for x
    x = 10,760,235,839,400,738/145,156,964.20
  6. Step 6: Final answer
    x = 74,128,278.30

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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.