Home / 91,631,015.68-126,447,548.16-50,377,607.68

Finding the Fourth Proportional to 91,631,015.68, 126,447,548.16 and 50,377,607.68

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Solution

The fourth proportional to 91,631,015.68, 126,447,548.16 and 50,377,607.68 is: 69,519,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,015.68 : 126,447,548.16 = 50,377,607.68 : x
  2. Step 2: Convert to fraction form
    91,631,015.68/126,447,548.16 = 50,377,607.68/x
  3. Step 3: Cross multiply
    91,631,015.68x = 126,447,548.16 × 50,377,607.68
  4. Step 4: Simplify right side
    91,631,015.68x = 6,370,124,973,302,386
  5. Step 5: Solve for x
    x = 6,370,124,973,302,386/91,631,015.68
  6. Step 6: Final answer
    x = 69,519,309.88

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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.