Home / 100,897,571.11-139,238,646.75-54,487,823.67

Finding the Fourth Proportional to 100,897,571.11, 139,238,646.75 and 54,487,823.67

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Solution

The fourth proportional to 100,897,571.11, 139,238,646.75 and 54,487,823.67 is: 75,193,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,571.11 : 139,238,646.75 = 54,487,823.67 : x
  2. Step 2: Convert to fraction form
    100,897,571.11/139,238,646.75 = 54,487,823.67/x
  3. Step 3: Cross multiply
    100,897,571.11x = 139,238,646.75 × 54,487,823.67
  4. Step 4: Simplify right side
    100,897,571.11x = 7,586,810,832,163,419
  5. Step 5: Solve for x
    x = 7,586,810,832,163,419/100,897,571.11
  6. Step 6: Final answer
    x = 75,193,195.92

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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.