Home / 45,546,133.12-68,264,309.86-20,920,077.52

Finding the Fourth Proportional to 45,546,133.12, 68,264,309.86 and 20,920,077.52

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Solution

The fourth proportional to 45,546,133.12, 68,264,309.86 and 20,920,077.52 is: 31,354,904.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546,133.12 : 68,264,309.86 = 20,920,077.52 : x
  2. Step 2: Convert to fraction form
    45,546,133.12/68,264,309.86 = 20,920,077.52/x
  3. Step 3: Cross multiply
    45,546,133.12x = 68,264,309.86 × 20,920,077.52
  4. Step 4: Simplify right side
    45,546,133.12x = 1,428,094,654,120,500.25
  5. Step 5: Solve for x
    x = 1,428,094,654,120,500.25/45,546,133.12
  6. Step 6: Final answer
    x = 31,354,904.50

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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.