Home / 75,276,885.22-103,882,401.70-42,234,977.02

Finding the Fourth Proportional to 75,276,885.22, 103,882,401.70 and 42,234,977.02

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Solution

The fourth proportional to 75,276,885.22, 103,882,401.70 and 42,234,977.02 is: 58,284,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276,885.22 : 103,882,401.70 = 42,234,977.02 : x
  2. Step 2: Convert to fraction form
    75,276,885.22/103,882,401.70 = 42,234,977.02/x
  3. Step 3: Cross multiply
    75,276,885.22x = 103,882,401.70 × 42,234,977.02
  4. Step 4: Simplify right side
    75,276,885.22x = 4,387,470,848,581,909.50
  5. Step 5: Solve for x
    x = 4,387,470,848,581,909.50/75,276,885.22
  6. Step 6: Final answer
    x = 58,284,436.66

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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.