Home / 66,495,169.20-99,805,739.40-40,986,001.20

Finding the Fourth Proportional to 66,495,169.20, 99,805,739.40 and 40,986,001.20

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Solution

The fourth proportional to 66,495,169.20, 99,805,739.40 and 40,986,001.20 is: 61,517,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,495,169.20 : 99,805,739.40 = 40,986,001.20 : x
  2. Step 2: Convert to fraction form
    66,495,169.20/99,805,739.40 = 40,986,001.20/x
  3. Step 3: Cross multiply
    66,495,169.20x = 99,805,739.40 × 40,986,001.20
  4. Step 4: Simplify right side
    66,495,169.20x = 4,090,638,154,815,288
  5. Step 5: Solve for x
    x = 4,090,638,154,815,288/66,495,169.20
  6. Step 6: Final answer
    x = 61,517,824.59

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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.