Home / 140,534,655.53-193,943,885.09-77,810,754.83

Finding the Fourth Proportional to 140,534,655.53, 193,943,885.09 and 77,810,754.83

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Solution

The fourth proportional to 140,534,655.53, 193,943,885.09 and 77,810,754.83 is: 107,382,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,534,655.53 : 193,943,885.09 = 77,810,754.83 : x
  2. Step 2: Convert to fraction form
    140,534,655.53/193,943,885.09 = 77,810,754.83/x
  3. Step 3: Cross multiply
    140,534,655.53x = 193,943,885.09 × 77,810,754.83
  4. Step 4: Simplify right side
    140,534,655.53x = 15,090,920,092,156,910
  5. Step 5: Solve for x
    x = 15,090,920,092,156,910/140,534,655.53
  6. Step 6: Final answer
    x = 107,382,197.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.