Home / 61,970,857.40-92,956,286.10-55,168,412.60

Finding the Fourth Proportional to 61,970,857.40, 92,956,286.10 and 55,168,412.60

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Solution

The fourth proportional to 61,970,857.40, 92,956,286.10 and 55,168,412.60 is: 82,752,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,970,857.40 : 92,956,286.10 = 55,168,412.60 : x
  2. Step 2: Convert to fraction form
    61,970,857.40/92,956,286.10 = 55,168,412.60/x
  3. Step 3: Cross multiply
    61,970,857.40x = 92,956,286.10 × 55,168,412.60
  4. Step 4: Simplify right side
    61,970,857.40x = 5,128,250,745,328,445
  5. Step 5: Solve for x
    x = 5,128,250,745,328,445/61,970,857.40
  6. Step 6: Final answer
    x = 82,752,618.90

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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.