Home / 42,012,139.60-63,018,209.40-27,654,533.20

Finding the Fourth Proportional to 42,012,139.60, 63,018,209.40 and 27,654,533.20

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Solution

The fourth proportional to 42,012,139.60, 63,018,209.40 and 27,654,533.20 is: 41,481,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012,139.60 : 63,018,209.40 = 27,654,533.20 : x
  2. Step 2: Convert to fraction form
    42,012,139.60/63,018,209.40 = 27,654,533.20/x
  3. Step 3: Cross multiply
    42,012,139.60x = 63,018,209.40 × 27,654,533.20
  4. Step 4: Simplify right side
    42,012,139.60x = 1,742,739,164,056,852
  5. Step 5: Solve for x
    x = 1,742,739,164,056,852/42,012,139.60
  6. Step 6: Final answer
    x = 41,481,799.80

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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.