Home / 91,640,596.32-126,464,485.68-50,390,143.20

Finding the Fourth Proportional to 91,640,596.32, 126,464,485.68 and 50,390,143.20

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Solution

The fourth proportional to 91,640,596.32, 126,464,485.68 and 50,390,143.20 is: 69,538,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,640,596.32 : 126,464,485.68 = 50,390,143.20 : x
  2. Step 2: Convert to fraction form
    91,640,596.32/126,464,485.68 = 50,390,143.20/x
  3. Step 3: Cross multiply
    91,640,596.32x = 126,464,485.68 × 50,390,143.20
  4. Step 4: Simplify right side
    91,640,596.32x = 6,372,563,543,129,550
  5. Step 5: Solve for x
    x = 6,372,563,543,129,550/91,640,596.32
  6. Step 6: Final answer
    x = 69,538,652.07

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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.