Home / 78,232,539.12-107,955,499.36-43,422,491.04

Finding the Fourth Proportional to 78,232,539.12, 107,955,499.36 and 43,422,491.04

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Solution

The fourth proportional to 78,232,539.12, 107,955,499.36 and 43,422,491.04 is: 59,920,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,232,539.12 : 107,955,499.36 = 43,422,491.04 : x
  2. Step 2: Convert to fraction form
    78,232,539.12/107,955,499.36 = 43,422,491.04/x
  3. Step 3: Cross multiply
    78,232,539.12x = 107,955,499.36 × 43,422,491.04
  4. Step 4: Simplify right side
    78,232,539.12x = 4,687,696,703,678,326
  5. Step 5: Solve for x
    x = 4,687,696,703,678,326/78,232,539.12
  6. Step 6: Final answer
    x = 59,920,037.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.