Home / 91,939,456.40-137,839,200.60-46,533,837.20

Finding the Fourth Proportional to 91,939,456.40, 137,839,200.60 and 46,533,837.20

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Solution

The fourth proportional to 91,939,456.40, 137,839,200.60 and 46,533,837.20 is: 69,765,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,939,456.40 : 137,839,200.60 = 46,533,837.20 : x
  2. Step 2: Convert to fraction form
    91,939,456.40/137,839,200.60 = 46,533,837.20/x
  3. Step 3: Cross multiply
    91,939,456.40x = 137,839,200.60 × 46,533,837.20
  4. Step 4: Simplify right side
    91,939,456.40x = 6,414,186,920,498,542
  5. Step 5: Solve for x
    x = 6,414,186,920,498,542/91,939,456.40
  6. Step 6: Final answer
    x = 69,765,334.40

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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.