Home / 239,974,071.84-359,979,770.16-78,432,337.44

Finding the Fourth Proportional to 239,974,071.84, 359,979,770.16 and 78,432,337.44

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Solution

The fourth proportional to 239,974,071.84, 359,979,770.16 and 78,432,337.44 is: 117,654,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,974,071.84 : 359,979,770.16 = 78,432,337.44 : x
  2. Step 2: Convert to fraction form
    239,974,071.84/359,979,770.16 = 78,432,337.44/x
  3. Step 3: Cross multiply
    239,974,071.84x = 359,979,770.16 × 78,432,337.44
  4. Step 4: Simplify right side
    239,974,071.84x = 28,234,054,804,762,764
  5. Step 5: Solve for x
    x = 28,234,054,804,762,764/239,974,071.84
  6. Step 6: Final answer
    x = 117,654,605.72

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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.