Home / 79,417,519.88-118,328,061.20-74,957,068.98

Finding the Fourth Proportional to 79,417,519.88, 118,328,061.20 and 74,957,068.98

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Solution

The fourth proportional to 79,417,519.88, 118,328,061.20 and 74,957,068.98 is: 111,682,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417,519.88 : 118,328,061.20 = 74,957,068.98 : x
  2. Step 2: Convert to fraction form
    79,417,519.88/118,328,061.20 = 74,957,068.98/x
  3. Step 3: Cross multiply
    79,417,519.88x = 118,328,061.20 × 74,957,068.98
  4. Step 4: Simplify right side
    79,417,519.88x = 8,869,524,645,263,276
  5. Step 5: Solve for x
    x = 8,869,524,645,263,276/79,417,519.88
  6. Step 6: Final answer
    x = 111,682,216.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.