Home / 54,457,571.12-81,710,479.07-28,543,713.89

Finding the Fourth Proportional to 54,457,571.12, 81,710,479.07 and 28,543,713.89

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Solution

The fourth proportional to 54,457,571.12, 81,710,479.07 and 28,543,713.89 is: 42,828,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,571.12 : 81,710,479.07 = 28,543,713.89 : x
  2. Step 2: Convert to fraction form
    54,457,571.12/81,710,479.07 = 28,543,713.89/x
  3. Step 3: Cross multiply
    54,457,571.12x = 81,710,479.07 × 28,543,713.89
  4. Step 4: Simplify right side
    54,457,571.12x = 2,332,320,535,837,642.50
  5. Step 5: Solve for x
    x = 2,332,320,535,837,642.50/54,457,571.12
  6. Step 6: Final answer
    x = 42,828,214.48

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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.