Home / 91,317,215.25-126,017,925.21-49,501,151.19

Finding the Fourth Proportional to 91,317,215.25, 126,017,925.21 and 49,501,151.19

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Solution

The fourth proportional to 91,317,215.25, 126,017,925.21 and 49,501,151.19 is: 68,311,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,317,215.25 : 126,017,925.21 = 49,501,151.19 : x
  2. Step 2: Convert to fraction form
    91,317,215.25/126,017,925.21 = 49,501,151.19/x
  3. Step 3: Cross multiply
    91,317,215.25x = 126,017,925.21 × 49,501,151.19
  4. Step 4: Simplify right side
    91,317,215.25x = 6,238,032,368,470,322
  5. Step 5: Solve for x
    x = 6,238,032,368,470,322/91,317,215.25
  6. Step 6: Final answer
    x = 68,311,679.80

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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.