Home / 85,495,681.44-127,940,796-53,162,809.92

Finding the Fourth Proportional to 85,495,681.44, 127,940,796 and 53,162,809.92

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Solution

The fourth proportional to 85,495,681.44, 127,940,796 and 53,162,809.92 is: 79,555,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,495,681.44 : 127,940,796 = 53,162,809.92 : x
  2. Step 2: Convert to fraction form
    85,495,681.44/127,940,796 = 53,162,809.92/x
  3. Step 3: Cross multiply
    85,495,681.44x = 127,940,796 × 53,162,809.92
  4. Step 4: Simplify right side
    85,495,681.44x = 6,801,692,218,761,497
  5. Step 5: Solve for x
    x = 6,801,692,218,761,497/85,495,681.44
  6. Step 6: Final answer
    x = 79,555,974.11

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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.