Home / 54,457,567.49-81,710,473.68-28,543,710.28

Finding the Fourth Proportional to 54,457,567.49, 81,710,473.68 and 28,543,710.28

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Solution

The fourth proportional to 54,457,567.49, 81,710,473.68 and 28,543,710.28 is: 42,828,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,567.49 : 81,710,473.68 = 28,543,710.28 : x
  2. Step 2: Convert to fraction form
    54,457,567.49/81,710,473.68 = 28,543,710.28/x
  3. Step 3: Cross multiply
    54,457,567.49x = 81,710,473.68 × 28,543,710.28
  4. Step 4: Simplify right side
    54,457,567.49x = 2,332,320,087,558,584.50
  5. Step 5: Solve for x
    x = 2,332,320,087,558,584.50/54,457,567.49
  6. Step 6: Final answer
    x = 42,828,209.10

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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.