Home / 85,091,497.04-117,425,072.28-47,416,248.92

Finding the Fourth Proportional to 85,091,497.04, 117,425,072.28 and 47,416,248.92

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Solution

The fourth proportional to 85,091,497.04, 117,425,072.28 and 47,416,248.92 is: 65,433,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091,497.04 : 117,425,072.28 = 47,416,248.92 : x
  2. Step 2: Convert to fraction form
    85,091,497.04/117,425,072.28 = 47,416,248.92/x
  3. Step 3: Cross multiply
    85,091,497.04x = 117,425,072.28 × 47,416,248.92
  4. Step 4: Simplify right side
    85,091,497.04x = 5,567,856,456,971,035
  5. Step 5: Solve for x
    x = 5,567,856,456,971,035/85,091,497.04
  6. Step 6: Final answer
    x = 65,433,758.37

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Double scale
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1.5x scale

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.