Home / 79,941,868.68-119,904,732.98-54,199,457.14

Finding the Fourth Proportional to 79,941,868.68, 119,904,732.98 and 54,199,457.14

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Solution

The fourth proportional to 79,941,868.68, 119,904,732.98 and 54,199,457.14 is: 81,293,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,941,868.68 : 119,904,732.98 = 54,199,457.14 : x
  2. Step 2: Convert to fraction form
    79,941,868.68/119,904,732.98 = 54,199,457.14/x
  3. Step 3: Cross multiply
    79,941,868.68x = 119,904,732.98 × 54,199,457.14
  4. Step 4: Simplify right side
    79,941,868.68x = 6,498,771,436,032,655
  5. Step 5: Solve for x
    x = 6,498,771,436,032,655/79,941,868.68
  6. Step 6: Final answer
    x = 81,293,714.34

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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.