Home / 53,428,472.30-80,142,708.45-30,753,656.30

Finding the Fourth Proportional to 53,428,472.30, 80,142,708.45 and 30,753,656.30

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Solution

The fourth proportional to 53,428,472.30, 80,142,708.45 and 30,753,656.30 is: 46,130,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428,472.30 : 80,142,708.45 = 30,753,656.30 : x
  2. Step 2: Convert to fraction form
    53,428,472.30/80,142,708.45 = 30,753,656.30/x
  3. Step 3: Cross multiply
    53,428,472.30x = 80,142,708.45 × 30,753,656.30
  4. Step 4: Simplify right side
    53,428,472.30x = 2,464,681,310,622,406
  5. Step 5: Solve for x
    x = 2,464,681,310,622,406/53,428,472.30
  6. Step 6: Final answer
    x = 46,130,484.45

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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.