Home / 168,258,607.20-252,387,910.80-105,178,528.80

Finding the Fourth Proportional to 168,258,607.20, 252,387,910.80 and 105,178,528.80

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Solution

The fourth proportional to 168,258,607.20, 252,387,910.80 and 105,178,528.80 is: 157,767,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,258,607.20 : 252,387,910.80 = 105,178,528.80 : x
  2. Step 2: Convert to fraction form
    168,258,607.20/252,387,910.80 = 105,178,528.80/x
  3. Step 3: Cross multiply
    168,258,607.20x = 252,387,910.80 × 105,178,528.80
  4. Step 4: Simplify right side
    168,258,607.20x = 26,545,789,144,849,632
  5. Step 5: Solve for x
    x = 26,545,789,144,849,632/168,258,607.20
  6. Step 6: Final answer
    x = 157,767,793.20

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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.