Home / 100,897,570.11-139,238,645.37-54,487,822.67

Finding the Fourth Proportional to 100,897,570.11, 139,238,645.37 and 54,487,822.67

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Solution

The fourth proportional to 100,897,570.11, 139,238,645.37 and 54,487,822.67 is: 75,193,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,570.11 : 139,238,645.37 = 54,487,822.67 : x
  2. Step 2: Convert to fraction form
    100,897,570.11/139,238,645.37 = 54,487,822.67/x
  3. Step 3: Cross multiply
    100,897,570.11x = 139,238,645.37 × 54,487,822.67
  4. Step 4: Simplify right side
    100,897,570.11x = 7,586,810,617,659,421
  5. Step 5: Solve for x
    x = 7,586,810,617,659,421/100,897,570.11
  6. Step 6: Final answer
    x = 75,193,194.53

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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.