Home / 185,728,991.40-278,593,487.10-105,107,423.40

Finding the Fourth Proportional to 185,728,991.40, 278,593,487.10 and 105,107,423.40

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Solution

The fourth proportional to 185,728,991.40, 278,593,487.10 and 105,107,423.40 is: 157,661,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,728,991.40 : 278,593,487.10 = 105,107,423.40 : x
  2. Step 2: Convert to fraction form
    185,728,991.40/278,593,487.10 = 105,107,423.40/x
  3. Step 3: Cross multiply
    185,728,991.40x = 278,593,487.10 × 105,107,423.40
  4. Step 4: Simplify right side
    185,728,991.40x = 29,282,243,605,102,144
  5. Step 5: Solve for x
    x = 29,282,243,605,102,144/185,728,991.40
  6. Step 6: Final answer
    x = 157,661,135.10

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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.