Home / 91,112,054.22-125,734,641.39-49,858,948.62

Finding the Fourth Proportional to 91,112,054.22, 125,734,641.39 and 49,858,948.62

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Solution

The fourth proportional to 91,112,054.22, 125,734,641.39 and 49,858,948.62 is: 68,805,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,112,054.22 : 125,734,641.39 = 49,858,948.62 : x
  2. Step 2: Convert to fraction form
    91,112,054.22/125,734,641.39 = 49,858,948.62/x
  3. Step 3: Cross multiply
    91,112,054.22x = 125,734,641.39 × 49,858,948.62
  4. Step 4: Simplify right side
    91,112,054.22x = 6,268,997,024,818,135
  5. Step 5: Solve for x
    x = 6,268,997,024,818,135/91,112,054.22
  6. Step 6: Final answer
    x = 68,805,352.69

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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.