Home / 66,430,279.20-99,645,418.80-60,371,851.80

Finding the Fourth Proportional to 66,430,279.20, 99,645,418.80 and 60,371,851.80

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Solution

The fourth proportional to 66,430,279.20, 99,645,418.80 and 60,371,851.80 is: 90,557,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,279.20 : 99,645,418.80 = 60,371,851.80 : x
  2. Step 2: Convert to fraction form
    66,430,279.20/99,645,418.80 = 60,371,851.80/x
  3. Step 3: Cross multiply
    66,430,279.20x = 99,645,418.80 × 60,371,851.80
  4. Step 4: Simplify right side
    66,430,279.20x = 6,015,778,456,342,533
  5. Step 5: Solve for x
    x = 6,015,778,456,342,533/66,430,279.20
  6. Step 6: Final answer
    x = 90,557,777.70

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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.