Home / 78,080,624.43-107,751,271.94-43,275,561.90

Finding the Fourth Proportional to 78,080,624.43, 107,751,271.94 and 43,275,561.90

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Solution

The fourth proportional to 78,080,624.43, 107,751,271.94 and 43,275,561.90 is: 59,720,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,080,624.43 : 107,751,271.94 = 43,275,561.90 : x
  2. Step 2: Convert to fraction form
    78,080,624.43/107,751,271.94 = 43,275,561.90/x
  3. Step 3: Cross multiply
    78,080,624.43x = 107,751,271.94 × 43,275,561.90
  4. Step 4: Simplify right side
    78,080,624.43x = 4,662,996,838,643,203
  5. Step 5: Solve for x
    x = 4,662,996,838,643,203/78,080,624.43
  6. Step 6: Final answer
    x = 59,720,281.09

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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.