Home / 266,772,335.20-400,158,502.80-221,422,703.20

Finding the Fourth Proportional to 266,772,335.20, 400,158,502.80 and 221,422,703.20

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Solution

The fourth proportional to 266,772,335.20, 400,158,502.80 and 221,422,703.20 is: 332,134,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,772,335.20 : 400,158,502.80 = 221,422,703.20 : x
  2. Step 2: Convert to fraction form
    266,772,335.20/400,158,502.80 = 221,422,703.20/x
  3. Step 3: Cross multiply
    266,772,335.20x = 400,158,502.80 × 221,422,703.20
  4. Step 4: Simplify right side
    266,772,335.20x = 88,604,177,398,440,768
  5. Step 5: Solve for x
    x = 88,604,177,398,440,768/266,772,335.20
  6. Step 6: Final answer
    x = 332,134,054.80

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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.