Home / 75,805,393.76-104,611,443.36-40,998,084.20

Finding the Fourth Proportional to 75,805,393.76, 104,611,443.36 and 40,998,084.20

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Solution

The fourth proportional to 75,805,393.76, 104,611,443.36 and 40,998,084.20 is: 56,577,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,805,393.76 : 104,611,443.36 = 40,998,084.20 : x
  2. Step 2: Convert to fraction form
    75,805,393.76/104,611,443.36 = 40,998,084.20/x
  3. Step 3: Cross multiply
    75,805,393.76x = 104,611,443.36 × 40,998,084.20
  4. Step 4: Simplify right side
    75,805,393.76x = 4,288,868,763,156,811
  5. Step 5: Solve for x
    x = 4,288,868,763,156,811/75,805,393.76
  6. Step 6: Final answer
    x = 56,577,356.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.