Home / 53,128,570.17-73,335,769.64-31,109,147.04

Finding the Fourth Proportional to 53,128,570.17, 73,335,769.64 and 31,109,147.04

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Solution

The fourth proportional to 53,128,570.17, 73,335,769.64 and 31,109,147.04 is: 42,941,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,128,570.17 : 73,335,769.64 = 31,109,147.04 : x
  2. Step 2: Convert to fraction form
    53,128,570.17/73,335,769.64 = 31,109,147.04/x
  3. Step 3: Cross multiply
    53,128,570.17x = 73,335,769.64 × 31,109,147.04
  4. Step 4: Simplify right side
    53,128,570.17x = 2,281,413,241,022,328
  5. Step 5: Solve for x
    x = 2,281,413,241,022,328/53,128,570.17
  6. Step 6: Final answer
    x = 42,941,363.45

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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.