Home / 83,440,492.40-125,011,439.40-71,496,556.40

Finding the Fourth Proportional to 83,440,492.40, 125,011,439.40 and 71,496,556.40

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Solution

The fourth proportional to 83,440,492.40, 125,011,439.40 and 71,496,556.40 is: 107,116,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,440,492.40 : 125,011,439.40 = 71,496,556.40 : x
  2. Step 2: Convert to fraction form
    83,440,492.40/125,011,439.40 = 71,496,556.40/x
  3. Step 3: Cross multiply
    83,440,492.40x = 125,011,439.40 × 71,496,556.40
  4. Step 4: Simplify right side
    83,440,492.40x = 8,937,887,427,707,283
  5. Step 5: Solve for x
    x = 8,937,887,427,707,283/83,440,492.40
  6. Step 6: Final answer
    x = 107,116,906.56

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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.