Home / 42,012,138.60-63,018,207.90-27,654,532.20

Finding the Fourth Proportional to 42,012,138.60, 63,018,207.90 and 27,654,532.20

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Solution

The fourth proportional to 42,012,138.60, 63,018,207.90 and 27,654,532.20 is: 41,481,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,138.60 : 63,018,207.90 = 27,654,532.20 : x
  2. Step 2: Convert to fraction form
    42,012,138.60/63,018,207.90 = 27,654,532.20/x
  3. Step 3: Cross multiply
    42,012,138.60x = 63,018,207.90 × 27,654,532.20
  4. Step 4: Simplify right side
    42,012,138.60x = 1,742,739,059,556,844.25
  5. Step 5: Solve for x
    x = 1,742,739,059,556,844.25/42,012,138.60
  6. Step 6: Final answer
    x = 41,481,798.30

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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.