Home / 266,635,643.28-399,966,849.36-84,896,993.04

Finding the Fourth Proportional to 266,635,643.28, 399,966,849.36 and 84,896,993.04

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Solution

The fourth proportional to 266,635,643.28, 399,966,849.36 and 84,896,993.04 is: 127,349,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,635,643.28 : 399,966,849.36 = 84,896,993.04 : x
  2. Step 2: Convert to fraction form
    266,635,643.28/399,966,849.36 = 84,896,993.04/x
  3. Step 3: Cross multiply
    266,635,643.28x = 399,966,849.36 × 84,896,993.04
  4. Step 4: Simplify right side
    266,635,643.28x = 33,955,982,826,346,652
  5. Step 5: Solve for x
    x = 33,955,982,826,346,652/266,635,643.28
  6. Step 6: Final answer
    x = 127,349,751.18

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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.