Home / 318,208,932.38-477,385,213.18-96,900,069.12

Finding the Fourth Proportional to 318,208,932.38, 477,385,213.18 and 96,900,069.12

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Solution

The fourth proportional to 318,208,932.38, 477,385,213.18 and 96,900,069.12 is: 145,371,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,208,932.38 : 477,385,213.18 = 96,900,069.12 : x
  2. Step 2: Convert to fraction form
    318,208,932.38/477,385,213.18 = 96,900,069.12/x
  3. Step 3: Cross multiply
    318,208,932.38x = 477,385,213.18 × 96,900,069.12
  4. Step 4: Simplify right side
    318,208,932.38x = 46,258,660,154,007,936
  5. Step 5: Solve for x
    x = 46,258,660,154,007,936/318,208,932.38
  6. Step 6: Final answer
    x = 145,371,972.46

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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.