Home / 91,362,667.20-126,085,099.68-50,113,397.76

Finding the Fourth Proportional to 91,362,667.20, 126,085,099.68 and 50,113,397.76

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Solution

The fourth proportional to 91,362,667.20, 126,085,099.68 and 50,113,397.76 is: 69,159,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,362,667.20 : 126,085,099.68 = 50,113,397.76 : x
  2. Step 2: Convert to fraction form
    91,362,667.20/126,085,099.68 = 50,113,397.76/x
  3. Step 3: Cross multiply
    91,362,667.20x = 126,085,099.68 × 50,113,397.76
  4. Step 4: Simplify right side
    91,362,667.20x = 6,318,552,751,873,089
  5. Step 5: Solve for x
    x = 6,318,552,751,873,089/91,362,667.20
  6. Step 6: Final answer
    x = 69,159,022.45

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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.