Home / 121,356,011.40-182,034,017.10-40,576,979.40

Finding the Fourth Proportional to 121,356,011.40, 182,034,017.10 and 40,576,979.40

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Solution

The fourth proportional to 121,356,011.40, 182,034,017.10 and 40,576,979.40 is: 60,865,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,356,011.40 : 182,034,017.10 = 40,576,979.40 : x
  2. Step 2: Convert to fraction form
    121,356,011.40/182,034,017.10 = 40,576,979.40/x
  3. Step 3: Cross multiply
    121,356,011.40x = 182,034,017.10 × 40,576,979.40
  4. Step 4: Simplify right side
    121,356,011.40x = 7,386,390,561,965,947
  5. Step 5: Solve for x
    x = 7,386,390,561,965,947/121,356,011.40
  6. Step 6: Final answer
    x = 60,865,469.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.