Home / 66,678,265.26-99,887,983.77-49,138,968.90

Finding the Fourth Proportional to 66,678,265.26, 99,887,983.77 and 49,138,968.90

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Solution

The fourth proportional to 66,678,265.26, 99,887,983.77 and 49,138,968.90 is: 73,613,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,678,265.26 : 99,887,983.77 = 49,138,968.90 : x
  2. Step 2: Convert to fraction form
    66,678,265.26/99,887,983.77 = 49,138,968.90/x
  3. Step 3: Cross multiply
    66,678,265.26x = 99,887,983.77 × 49,138,968.90
  4. Step 4: Simplify right side
    66,678,265.26x = 4,908,392,527,957,734
  5. Step 5: Solve for x
    x = 4,908,392,527,957,734/66,678,265.26
  6. Step 6: Final answer
    x = 73,613,080.80

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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.