Home / 128,304,000.90-192,418,676.55-70,823,808.90

Finding the Fourth Proportional to 128,304,000.90, 192,418,676.55 and 70,823,808.90

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Solution

The fourth proportional to 128,304,000.90, 192,418,676.55 and 70,823,808.90 is: 106,215,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,000.90 : 192,418,676.55 = 70,823,808.90 : x
  2. Step 2: Convert to fraction form
    128,304,000.90/192,418,676.55 = 70,823,808.90/x
  3. Step 3: Cross multiply
    128,304,000.90x = 192,418,676.55 × 70,823,808.90
  4. Step 4: Simplify right side
    128,304,000.90x = 13,627,823,576,768,114
  5. Step 5: Solve for x
    x = 13,627,823,576,768,114/128,304,000.90
  6. Step 6: Final answer
    x = 106,215,110.06

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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.