Home / 91,151,684.26-125,789,314.60-49,335,742.14

Finding the Fourth Proportional to 91,151,684.26, 125,789,314.60 and 49,335,742.14

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Solution

The fourth proportional to 91,151,684.26, 125,789,314.60 and 49,335,742.14 is: 68,083,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,151,684.26 : 125,789,314.60 = 49,335,742.14 : x
  2. Step 2: Convert to fraction form
    91,151,684.26/125,789,314.60 = 49,335,742.14/x
  3. Step 3: Cross multiply
    91,151,684.26x = 125,789,314.60 × 49,335,742.14
  4. Step 4: Simplify right side
    91,151,684.26x = 6,205,909,189,072,937
  5. Step 5: Solve for x
    x = 6,205,909,189,072,937/91,151,684.26
  6. Step 6: Final answer
    x = 68,083,318.91

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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.