Home / 78,555,184.65-108,398,387.75-43,751,113.29

Finding the Fourth Proportional to 78,555,184.65, 108,398,387.75 and 43,751,113.29

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Solution

The fourth proportional to 78,555,184.65, 108,398,387.75 and 43,751,113.29 is: 60,372,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,555,184.65 : 108,398,387.75 = 43,751,113.29 : x
  2. Step 2: Convert to fraction form
    78,555,184.65/108,398,387.75 = 43,751,113.29/x
  3. Step 3: Cross multiply
    78,555,184.65x = 108,398,387.75 × 43,751,113.29
  4. Step 4: Simplify right side
    78,555,184.65x = 4,742,550,142,684,843
  5. Step 5: Solve for x
    x = 4,742,550,142,684,843/78,555,184.65
  6. Step 6: Final answer
    x = 60,372,210.49

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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.