Home / 98,415,912.20-147,623,868.30-57,433,281.80

Finding the Fourth Proportional to 98,415,912.20, 147,623,868.30 and 57,433,281.80

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Solution

The fourth proportional to 98,415,912.20, 147,623,868.30 and 57,433,281.80 is: 86,149,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,415,912.20 : 147,623,868.30 = 57,433,281.80 : x
  2. Step 2: Convert to fraction form
    98,415,912.20/147,623,868.30 = 57,433,281.80/x
  3. Step 3: Cross multiply
    98,415,912.20x = 147,623,868.30 × 57,433,281.80
  4. Step 4: Simplify right side
    98,415,912.20x = 8,478,523,228,479,987
  5. Step 5: Solve for x
    x = 8,478,523,228,479,987/98,415,912.20
  6. Step 6: Final answer
    x = 86,149,922.70

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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.