Home / 187,080,728.40-280,285,169.40-160,206,872.40

Finding the Fourth Proportional to 187,080,728.40, 280,285,169.40 and 160,206,872.40

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Solution

The fourth proportional to 187,080,728.40, 280,285,169.40 and 160,206,872.40 is: 240,022,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,080,728.40 : 280,285,169.40 = 160,206,872.40 : x
  2. Step 2: Convert to fraction form
    187,080,728.40/280,285,169.40 = 160,206,872.40/x
  3. Step 3: Cross multiply
    187,080,728.40x = 280,285,169.40 × 160,206,872.40
  4. Step 4: Simplify right side
    187,080,728.40x = 44,903,610,369,678,184
  5. Step 5: Solve for x
    x = 44,903,610,369,678,184/187,080,728.40
  6. Step 6: Final answer
    x = 240,022,640.25

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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.