Home / 66,454,498.80-99,681,748.20-57,496,546.80

Finding the Fourth Proportional to 66,454,498.80, 99,681,748.20 and 57,496,546.80

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Solution

The fourth proportional to 66,454,498.80, 99,681,748.20 and 57,496,546.80 is: 86,244,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454,498.80 : 99,681,748.20 = 57,496,546.80 : x
  2. Step 2: Convert to fraction form
    66,454,498.80/99,681,748.20 = 57,496,546.80/x
  3. Step 3: Cross multiply
    66,454,498.80x = 99,681,748.20 × 57,496,546.80
  4. Step 4: Simplify right side
    66,454,498.80x = 5,731,356,300,487,116
  5. Step 5: Solve for x
    x = 5,731,356,300,487,116/66,454,498.80
  6. Step 6: Final answer
    x = 86,244,820.20

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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.