Home / 45,510,107.90-68,274,019.20-13,163,065.70

Finding the Fourth Proportional to 45,510,107.90, 68,274,019.20 and 13,163,065.70

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Solution

The fourth proportional to 45,510,107.90, 68,274,019.20 and 13,163,065.70 is: 19,747,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,510,107.90 : 68,274,019.20 = 13,163,065.70 : x
  2. Step 2: Convert to fraction form
    45,510,107.90/68,274,019.20 = 13,163,065.70/x
  3. Step 3: Cross multiply
    45,510,107.90x = 68,274,019.20 × 13,163,065.70
  4. Step 4: Simplify right side
    45,510,107.90x = 898,695,400,332,661.38
  5. Step 5: Solve for x
    x = 898,695,400,332,661.38/45,510,107.90
  6. Step 6: Final answer
    x = 19,747,160.40

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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.