Home / 42,804,919.20-64,207,378.80-27,499,418.40

Finding the Fourth Proportional to 42,804,919.20, 64,207,378.80 and 27,499,418.40

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Solution

The fourth proportional to 42,804,919.20, 64,207,378.80 and 27,499,418.40 is: 41,249,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,804,919.20 : 64,207,378.80 = 27,499,418.40 : x
  2. Step 2: Convert to fraction form
    42,804,919.20/64,207,378.80 = 27,499,418.40/x
  3. Step 3: Cross multiply
    42,804,919.20x = 64,207,378.80 × 27,499,418.40
  4. Step 4: Simplify right side
    42,804,919.20x = 1,765,665,573,988,489.75
  5. Step 5: Solve for x
    x = 1,765,665,573,988,489.75/42,804,919.20
  6. Step 6: Final answer
    x = 41,249,127.60

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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.