Home / 90,535,868.14-124,942,512.57-50,850,381.68

Finding the Fourth Proportional to 90,535,868.14, 124,942,512.57 and 50,850,381.68

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Solution

The fourth proportional to 90,535,868.14, 124,942,512.57 and 50,850,381.68 is: 70,175,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,535,868.14 : 124,942,512.57 = 50,850,381.68 : x
  2. Step 2: Convert to fraction form
    90,535,868.14/124,942,512.57 = 50,850,381.68/x
  3. Step 3: Cross multiply
    90,535,868.14x = 124,942,512.57 × 50,850,381.68
  4. Step 4: Simplify right side
    90,535,868.14x = 6,353,374,452,598,632
  5. Step 5: Solve for x
    x = 6,353,374,452,598,632/90,535,868.14
  6. Step 6: Final answer
    x = 70,175,219.87

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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.