Home / 192,456,186.40-288,432,337.20-77,346,503.20

Finding the Fourth Proportional to 192,456,186.40, 288,432,337.20 and 77,346,503.20

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Solution

The fourth proportional to 192,456,186.40, 288,432,337.20 and 77,346,503.20 is: 115,918,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,186.40 : 288,432,337.20 = 77,346,503.20 : x
  2. Step 2: Convert to fraction form
    192,456,186.40/288,432,337.20 = 77,346,503.20/x
  3. Step 3: Cross multiply
    192,456,186.40x = 288,432,337.20 × 77,346,503.20
  4. Step 4: Simplify right side
    192,456,186.40x = 22,309,232,692,223,280
  5. Step 5: Solve for x
    x = 22,309,232,692,223,280/192,456,186.40
  6. Step 6: Final answer
    x = 115,918,501.29

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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.