Home / 75,029,416.69-103,540,595.03-40,690,600.69

Finding the Fourth Proportional to 75,029,416.69, 103,540,595.03 and 40,690,600.69

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Solution

The fourth proportional to 75,029,416.69, 103,540,595.03 and 40,690,600.69 is: 56,153,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029,416.69 : 103,540,595.03 = 40,690,600.69 : x
  2. Step 2: Convert to fraction form
    75,029,416.69/103,540,595.03 = 40,690,600.69/x
  3. Step 3: Cross multiply
    75,029,416.69x = 103,540,595.03 × 40,690,600.69
  4. Step 4: Simplify right side
    75,029,416.69x = 4,213,129,007,413,603.50
  5. Step 5: Solve for x
    x = 4,213,129,007,413,603.50/75,029,416.69
  6. Step 6: Final answer
    x = 56,153,028.95

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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.