Home / 45,287,034.06-67,867,703.75-20,634,713.76

Finding the Fourth Proportional to 45,287,034.06, 67,867,703.75 and 20,634,713.76

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Solution

The fourth proportional to 45,287,034.06, 67,867,703.75 and 20,634,713.76 is: 30,923,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287,034.06 : 67,867,703.75 = 20,634,713.76 : x
  2. Step 2: Convert to fraction form
    45,287,034.06/67,867,703.75 = 20,634,713.76/x
  3. Step 3: Cross multiply
    45,287,034.06x = 67,867,703.75 × 20,634,713.76
  4. Step 4: Simplify right side
    45,287,034.06x = 1,400,430,640,326,555.25
  5. Step 5: Solve for x
    x = 1,400,430,640,326,555.25/45,287,034.06
  6. Step 6: Final answer
    x = 30,923,434.70

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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.