Home / 66,464,720.20-99,697,080.30-43,771,241.80

Finding the Fourth Proportional to 66,464,720.20, 99,697,080.30 and 43,771,241.80

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Solution

The fourth proportional to 66,464,720.20, 99,697,080.30 and 43,771,241.80 is: 65,656,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,464,720.20 : 99,697,080.30 = 43,771,241.80 : x
  2. Step 2: Convert to fraction form
    66,464,720.20/99,697,080.30 = 43,771,241.80/x
  3. Step 3: Cross multiply
    66,464,720.20x = 99,697,080.30 × 43,771,241.80
  4. Step 4: Simplify right side
    66,464,720.20x = 4,363,865,008,565,316
  5. Step 5: Solve for x
    x = 4,363,865,008,565,316/66,464,720.20
  6. Step 6: Final answer
    x = 65,656,862.70

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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.