Home / 85,180,875.40-127,739,820.30-27,675,022.60

Finding the Fourth Proportional to 85,180,875.40, 127,739,820.30 and 27,675,022.60

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Solution

The fourth proportional to 85,180,875.40, 127,739,820.30 and 27,675,022.60 is: 41,502,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180,875.40 : 127,739,820.30 = 27,675,022.60 : x
  2. Step 2: Convert to fraction form
    85,180,875.40/127,739,820.30 = 27,675,022.60/x
  3. Step 3: Cross multiply
    85,180,875.40x = 127,739,820.30 × 27,675,022.60
  4. Step 4: Simplify right side
    85,180,875.40x = 3,535,202,413,722,439
  5. Step 5: Solve for x
    x = 3,535,202,413,722,439/85,180,875.40
  6. Step 6: Final answer
    x = 41,502,301.98

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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.