Home / 74,995,518.80-112,493,278.20-52,302,040.40

Finding the Fourth Proportional to 74,995,518.80, 112,493,278.20 and 52,302,040.40

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Solution

The fourth proportional to 74,995,518.80, 112,493,278.20 and 52,302,040.40 is: 78,453,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,995,518.80 : 112,493,278.20 = 52,302,040.40 : x
  2. Step 2: Convert to fraction form
    74,995,518.80/112,493,278.20 = 52,302,040.40/x
  3. Step 3: Cross multiply
    74,995,518.80x = 112,493,278.20 × 52,302,040.40
  4. Step 4: Simplify right side
    74,995,518.80x = 5,883,627,981,144,839
  5. Step 5: Solve for x
    x = 5,883,627,981,144,839/74,995,518.80
  6. Step 6: Final answer
    x = 78,453,060.60

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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.