Home / 66,024,043.20-99,036,064.80-31,948,833.60

Finding the Fourth Proportional to 66,024,043.20, 99,036,064.80 and 31,948,833.60

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Solution

The fourth proportional to 66,024,043.20, 99,036,064.80 and 31,948,833.60 is: 47,923,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,024,043.20 : 99,036,064.80 = 31,948,833.60 : x
  2. Step 2: Convert to fraction form
    66,024,043.20/99,036,064.80 = 31,948,833.60/x
  3. Step 3: Cross multiply
    66,024,043.20x = 99,036,064.80 × 31,948,833.60
  4. Step 4: Simplify right side
    66,024,043.20x = 3,164,086,754,694,017.50
  5. Step 5: Solve for x
    x = 3,164,086,754,694,017.50/66,024,043.20
  6. Step 6: Final answer
    x = 47,923,250.40

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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.