Home / 91,896,740.20-126,817,504.08-50,643,632.58

Finding the Fourth Proportional to 91,896,740.20, 126,817,504.08 and 50,643,632.58

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Solution

The fourth proportional to 91,896,740.20, 126,817,504.08 and 50,643,632.58 is: 69,888,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,896,740.20 : 126,817,504.08 = 50,643,632.58 : x
  2. Step 2: Convert to fraction form
    91,896,740.20/126,817,504.08 = 50,643,632.58/x
  3. Step 3: Cross multiply
    91,896,740.20x = 126,817,504.08 × 50,643,632.58
  4. Step 4: Simplify right side
    91,896,740.20x = 6,422,499,081,340,171
  5. Step 5: Solve for x
    x = 6,422,499,081,340,171/91,896,740.20
  6. Step 6: Final answer
    x = 69,888,214.40

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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.