Home / 131,425,615.40-197,138,423.10-97,413,391.40

Finding the Fourth Proportional to 131,425,615.40, 197,138,423.10 and 97,413,391.40

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Solution

The fourth proportional to 131,425,615.40, 197,138,423.10 and 97,413,391.40 is: 146,120,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425,615.40 : 197,138,423.10 = 97,413,391.40 : x
  2. Step 2: Convert to fraction form
    131,425,615.40/197,138,423.10 = 97,413,391.40/x
  3. Step 3: Cross multiply
    131,425,615.40x = 197,138,423.10 × 97,413,391.40
  4. Step 4: Simplify right side
    131,425,615.40x = 19,203,922,369,419,100
  5. Step 5: Solve for x
    x = 19,203,922,369,419,100/131,425,615.40
  6. Step 6: Final answer
    x = 146,120,087.10

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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.