Home / 75,222,562.87-103,763,156.25-47,301,082.84

Finding the Fourth Proportional to 75,222,562.87, 103,763,156.25 and 47,301,082.84

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Solution

The fourth proportional to 75,222,562.87, 103,763,156.25 and 47,301,082.84 is: 65,247,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222,562.87 : 103,763,156.25 = 47,301,082.84 : x
  2. Step 2: Convert to fraction form
    75,222,562.87/103,763,156.25 = 47,301,082.84/x
  3. Step 3: Cross multiply
    75,222,562.87x = 103,763,156.25 × 47,301,082.84
  4. Step 4: Simplify right side
    75,222,562.87x = 4,908,109,649,521,114
  5. Step 5: Solve for x
    x = 4,908,109,649,521,114/75,222,562.87
  6. Step 6: Final answer
    x = 65,247,838.71

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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.