Home / 91,561,212-137,341,867.23-34,046,009.78

Finding the Fourth Proportional to 91,561,212, 137,341,867.23 and 34,046,009.78

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Solution

The fourth proportional to 91,561,212, 137,341,867.23 and 34,046,009.78 is: 51,069,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,561,212 : 137,341,867.23 = 34,046,009.78 : x
  2. Step 2: Convert to fraction form
    91,561,212/137,341,867.23 = 34,046,009.78/x
  3. Step 3: Cross multiply
    91,561,212x = 137,341,867.23 × 34,046,009.78
  4. Step 4: Simplify right side
    91,561,212x = 4,675,942,554,229,332
  5. Step 5: Solve for x
    x = 4,675,942,554,229,332/91,561,212
  6. Step 6: Final answer
    x = 51,069,032.97

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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.