Home / 78,580,000.80-117,923,145.30-44,036,335.80

Finding the Fourth Proportional to 78,580,000.80, 117,923,145.30 and 44,036,335.80

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Solution

The fourth proportional to 78,580,000.80, 117,923,145.30 and 44,036,335.80 is: 66,084,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,580,000.80 : 117,923,145.30 = 44,036,335.80 : x
  2. Step 2: Convert to fraction form
    78,580,000.80/117,923,145.30 = 44,036,335.80/x
  3. Step 3: Cross multiply
    78,580,000.80x = 117,923,145.30 × 44,036,335.80
  4. Step 4: Simplify right side
    78,580,000.80x = 5,192,903,225,022,991
  5. Step 5: Solve for x
    x = 5,192,903,225,022,991/78,580,000.80
  6. Step 6: Final answer
    x = 66,084,285.72

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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.