Home / 48,385,368.30-72,578,052.45-27,978,033.90

Finding the Fourth Proportional to 48,385,368.30, 72,578,052.45 and 27,978,033.90

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Solution

The fourth proportional to 48,385,368.30, 72,578,052.45 and 27,978,033.90 is: 41,967,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,368.30 : 72,578,052.45 = 27,978,033.90 : x
  2. Step 2: Convert to fraction form
    48,385,368.30/72,578,052.45 = 27,978,033.90/x
  3. Step 3: Cross multiply
    48,385,368.30x = 72,578,052.45 × 27,978,033.90
  4. Step 4: Simplify right side
    48,385,368.30x = 2,030,591,211,842,078
  5. Step 5: Solve for x
    x = 2,030,591,211,842,078/48,385,368.30
  6. Step 6: Final answer
    x = 41,967,050.85

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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.