Home / 91,317,219.21-126,017,930.71-49,501,155.17

Finding the Fourth Proportional to 91,317,219.21, 126,017,930.71 and 49,501,155.17

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Solution

The fourth proportional to 91,317,219.21, 126,017,930.71 and 49,501,155.17 is: 68,311,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,317,219.21 : 126,017,930.71 = 49,501,155.17 : x
  2. Step 2: Convert to fraction form
    91,317,219.21/126,017,930.71 = 49,501,155.17/x
  3. Step 3: Cross multiply
    91,317,219.21x = 126,017,930.71 × 49,501,155.17
  4. Step 4: Simplify right side
    91,317,219.21x = 6,238,033,142,278,018
  5. Step 5: Solve for x
    x = 6,238,033,142,278,018/91,317,219.21
  6. Step 6: Final answer
    x = 68,311,685.31

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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.