Home / 92,109,202.40-138,206,948.32-45,397,223.40

Finding the Fourth Proportional to 92,109,202.40, 138,206,948.32 and 45,397,223.40

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Solution

The fourth proportional to 92,109,202.40, 138,206,948.32 and 45,397,223.40 is: 68,117,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,109,202.40 : 138,206,948.32 = 45,397,223.40 : x
  2. Step 2: Convert to fraction form
    92,109,202.40/138,206,948.32 = 45,397,223.40/x
  3. Step 3: Cross multiply
    92,109,202.40x = 138,206,948.32 × 45,397,223.40
  4. Step 4: Simplify right side
    92,109,202.40x = 6,274,211,708,112,903
  5. Step 5: Solve for x
    x = 6,274,211,708,112,903/92,109,202.40
  6. Step 6: Final answer
    x = 68,117,099.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.