Home / 266,288,923.65-399,181,443.08-157,197,864.45

Finding the Fourth Proportional to 266,288,923.65, 399,181,443.08 and 157,197,864.45

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Solution

The fourth proportional to 266,288,923.65, 399,181,443.08 and 157,197,864.45 is: 235,648,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,288,923.65 : 399,181,443.08 = 157,197,864.45 : x
  2. Step 2: Convert to fraction form
    266,288,923.65/399,181,443.08 = 157,197,864.45/x
  3. Step 3: Cross multiply
    266,288,923.65x = 399,181,443.08 × 157,197,864.45
  4. Step 4: Simplify right side
    266,288,923.65x = 62,750,470,379,459,232
  5. Step 5: Solve for x
    x = 62,750,470,379,459,232/266,288,923.65
  6. Step 6: Final answer
    x = 235,648,067.97

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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.