Home / 78,495,311.32-117,746,213.76-23,163,146.98

Finding the Fourth Proportional to 78,495,311.32, 117,746,213.76 and 23,163,146.98

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Solution

The fourth proportional to 78,495,311.32, 117,746,213.76 and 23,163,146.98 is: 34,745,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495,311.32 : 117,746,213.76 = 23,163,146.98 : x
  2. Step 2: Convert to fraction form
    78,495,311.32/117,746,213.76 = 23,163,146.98/x
  3. Step 3: Cross multiply
    78,495,311.32x = 117,746,213.76 × 23,163,146.98
  4. Step 4: Simplify right side
    78,495,311.32x = 2,727,372,855,367,013
  5. Step 5: Solve for x
    x = 2,727,372,855,367,013/78,495,311.32
  6. Step 6: Final answer
    x = 34,745,678.56

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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.