Home / 192,398,902.28-288,697,575.18-90,173,325.32

Finding the Fourth Proportional to 192,398,902.28, 288,697,575.18 and 90,173,325.32

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Solution

The fourth proportional to 192,398,902.28, 288,697,575.18 and 90,173,325.32 is: 135,306,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,398,902.28 : 288,697,575.18 = 90,173,325.32 : x
  2. Step 2: Convert to fraction form
    192,398,902.28/288,697,575.18 = 90,173,325.32/x
  3. Step 3: Cross multiply
    192,398,902.28x = 288,697,575.18 × 90,173,325.32
  4. Step 4: Simplify right side
    192,398,902.28x = 26,032,820,365,801,296
  5. Step 5: Solve for x
    x = 26,032,820,365,801,296/192,398,902.28
  6. Step 6: Final answer
    x = 135,306,491.14

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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.