Home / 106,812,123.40-160,218,185.10-70,910,331.40

Finding the Fourth Proportional to 106,812,123.40, 160,218,185.10 and 70,910,331.40

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Solution

The fourth proportional to 106,812,123.40, 160,218,185.10 and 70,910,331.40 is: 106,365,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812,123.40 : 160,218,185.10 = 70,910,331.40 : x
  2. Step 2: Convert to fraction form
    106,812,123.40/160,218,185.10 = 70,910,331.40/x
  3. Step 3: Cross multiply
    106,812,123.40x = 160,218,185.10 × 70,910,331.40
  4. Step 4: Simplify right side
    106,812,123.40x = 11,361,124,601,747,542
  5. Step 5: Solve for x
    x = 11,361,124,601,747,542/106,812,123.40
  6. Step 6: Final answer
    x = 106,365,497.10

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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.