Home / 54,457,572.12-81,710,480.57-28,543,714.89

Finding the Fourth Proportional to 54,457,572.12, 81,710,480.57 and 28,543,714.89

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Solution

The fourth proportional to 54,457,572.12, 81,710,480.57 and 28,543,714.89 is: 42,828,215.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,572.12 : 81,710,480.57 = 28,543,714.89 : x
  2. Step 2: Convert to fraction form
    54,457,572.12/81,710,480.57 = 28,543,714.89/x
  3. Step 3: Cross multiply
    54,457,572.12x = 81,710,480.57 × 28,543,714.89
  4. Step 4: Simplify right side
    54,457,572.12x = 2,332,320,660,914,964.50
  5. Step 5: Solve for x
    x = 2,332,320,660,914,964.50/54,457,572.12
  6. Step 6: Final answer
    x = 42,828,215.99

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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.