Home / 115,137,767.88-172,643,405.76-56,716,901.64

Finding the Fourth Proportional to 115,137,767.88, 172,643,405.76 and 56,716,901.64

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Solution

The fourth proportional to 115,137,767.88, 172,643,405.76 and 56,716,901.64 is: 85,044,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,137,767.88 : 172,643,405.76 = 56,716,901.64 : x
  2. Step 2: Convert to fraction form
    115,137,767.88/172,643,405.76 = 56,716,901.64/x
  3. Step 3: Cross multiply
    115,137,767.88x = 172,643,405.76 × 56,716,901.64
  4. Step 4: Simplify right side
    115,137,767.88x = 9,791,799,063,284,530
  5. Step 5: Solve for x
    x = 9,791,799,063,284,530/115,137,767.88
  6. Step 6: Final answer
    x = 85,044,197.43

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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.