Home / 91,986,215.36-137,979,323.16-37,386,008.60

Finding the Fourth Proportional to 91,986,215.36, 137,979,323.16 and 37,386,008.60

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Solution

The fourth proportional to 91,986,215.36, 137,979,323.16 and 37,386,008.60 is: 56,079,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,986,215.36 : 137,979,323.16 = 37,386,008.60 : x
  2. Step 2: Convert to fraction form
    91,986,215.36/137,979,323.16 = 37,386,008.60/x
  3. Step 3: Cross multiply
    91,986,215.36x = 137,979,323.16 × 37,386,008.60
  4. Step 4: Simplify right side
    91,986,215.36x = 5,158,496,162,281,939
  5. Step 5: Solve for x
    x = 5,158,496,162,281,939/91,986,215.36
  6. Step 6: Final answer
    x = 56,079,012.95

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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.