Home / 53,428,139.70-80,142,209.55-36,422,027.70

Finding the Fourth Proportional to 53,428,139.70, 80,142,209.55 and 36,422,027.70

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Solution

The fourth proportional to 53,428,139.70, 80,142,209.55 and 36,422,027.70 is: 54,633,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428,139.70 : 80,142,209.55 = 36,422,027.70 : x
  2. Step 2: Convert to fraction form
    53,428,139.70/80,142,209.55 = 36,422,027.70/x
  3. Step 3: Cross multiply
    53,428,139.70x = 80,142,209.55 × 36,422,027.70
  4. Step 4: Simplify right side
    53,428,139.70x = 2,918,941,776,169,304.50
  5. Step 5: Solve for x
    x = 2,918,941,776,169,304.50/53,428,139.70
  6. Step 6: Final answer
    x = 54,633,041.55

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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.