Home / 66,441,043.80-99,661,565.70-63,571,262.40

Finding the Fourth Proportional to 66,441,043.80, 99,661,565.70 and 63,571,262.40

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Solution

The fourth proportional to 66,441,043.80, 99,661,565.70 and 63,571,262.40 is: 95,356,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,043.80 : 99,661,565.70 = 63,571,262.40 : x
  2. Step 2: Convert to fraction form
    66,441,043.80/99,661,565.70 = 63,571,262.40/x
  3. Step 3: Cross multiply
    66,441,043.80x = 99,661,565.70 × 63,571,262.40
  4. Step 4: Simplify right side
    66,441,043.80x = 6,335,611,544,309,540
  5. Step 5: Solve for x
    x = 6,335,611,544,309,540/66,441,043.80
  6. Step 6: Final answer
    x = 95,356,893.60

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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.