Home / 161,998,015.51-223,512,963.28-92,357,986.87

Finding the Fourth Proportional to 161,998,015.51, 223,512,963.28 and 92,357,986.87

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Solution

The fourth proportional to 161,998,015.51, 223,512,963.28 and 92,357,986.87 is: 127,428,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,998,015.51 : 223,512,963.28 = 92,357,986.87 : x
  2. Step 2: Convert to fraction form
    161,998,015.51/223,512,963.28 = 92,357,986.87/x
  3. Step 3: Cross multiply
    161,998,015.51x = 223,512,963.28 × 92,357,986.87
  4. Step 4: Simplify right side
    161,998,015.51x = 20,643,207,327,937,528
  5. Step 5: Solve for x
    x = 20,643,207,327,937,528/161,998,015.51
  6. Step 6: Final answer
    x = 127,428,766.72

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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.