Home / 192,456,113.40-288,432,227.70-77,346,430.20

Finding the Fourth Proportional to 192,456,113.40, 288,432,227.70 and 77,346,430.20

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Solution

The fourth proportional to 192,456,113.40, 288,432,227.70 and 77,346,430.20 is: 115,918,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,113.40 : 288,432,227.70 = 77,346,430.20 : x
  2. Step 2: Convert to fraction form
    192,456,113.40/288,432,227.70 = 77,346,430.20/x
  3. Step 3: Cross multiply
    192,456,113.40x = 288,432,227.70 × 77,346,430.20
  4. Step 4: Simplify right side
    192,456,113.40x = 22,309,203,167,228,556
  5. Step 5: Solve for x
    x = 22,309,203,167,228,556/192,456,113.40
  6. Step 6: Final answer
    x = 115,918,391.85

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1.5x scale

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.