Home / 73,382,578.80-101,268,023.89-40,343,390.05

Finding the Fourth Proportional to 73,382,578.80, 101,268,023.89 and 40,343,390.05

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Solution

The fourth proportional to 73,382,578.80, 101,268,023.89 and 40,343,390.05 is: 55,673,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,382,578.80 : 101,268,023.89 = 40,343,390.05 : x
  2. Step 2: Convert to fraction form
    73,382,578.80/101,268,023.89 = 40,343,390.05/x
  3. Step 3: Cross multiply
    73,382,578.80x = 101,268,023.89 × 40,343,390.05
  4. Step 4: Simplify right side
    73,382,578.80x = 4,085,495,387,386,988
  5. Step 5: Solve for x
    x = 4,085,495,387,386,988/73,382,578.80
  6. Step 6: Final answer
    x = 55,673,914.08

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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.