Home / 66,432,312.80-99,648,469.20-57,344,671.70

Finding the Fourth Proportional to 66,432,312.80, 99,648,469.20 and 57,344,671.70

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Solution

The fourth proportional to 66,432,312.80, 99,648,469.20 and 57,344,671.70 is: 86,017,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,312.80 : 99,648,469.20 = 57,344,671.70 : x
  2. Step 2: Convert to fraction form
    66,432,312.80/99,648,469.20 = 57,344,671.70/x
  3. Step 3: Cross multiply
    66,432,312.80x = 99,648,469.20 × 57,344,671.70
  4. Step 4: Simplify right side
    66,432,312.80x = 5,714,308,751,681,562
  5. Step 5: Solve for x
    x = 5,714,308,751,681,562/66,432,312.80
  6. Step 6: Final answer
    x = 86,017,007.55

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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.