Home / 75,359,850.12-103,999,105.17-42,325,920.63

Finding the Fourth Proportional to 75,359,850.12, 103,999,105.17 and 42,325,920.63

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Solution

The fourth proportional to 75,359,850.12, 103,999,105.17 and 42,325,920.63 is: 58,411,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359,850.12 : 103,999,105.17 = 42,325,920.63 : x
  2. Step 2: Convert to fraction form
    75,359,850.12/103,999,105.17 = 42,325,920.63/x
  3. Step 3: Cross multiply
    75,359,850.12x = 103,999,105.17 × 42,325,920.63
  4. Step 4: Simplify right side
    75,359,850.12x = 4,401,857,871,016,443
  5. Step 5: Solve for x
    x = 4,401,857,871,016,443/75,359,850.12
  6. Step 6: Final answer
    x = 58,411,181.34

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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.