Home / 91,381,511.68-137,072,739.84-30,797,762.56

Finding the Fourth Proportional to 91,381,511.68, 137,072,739.84 and 30,797,762.56

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Solution

The fourth proportional to 91,381,511.68, 137,072,739.84 and 30,797,762.56 is: 46,196,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,381,511.68 : 137,072,739.84 = 30,797,762.56 : x
  2. Step 2: Convert to fraction form
    91,381,511.68/137,072,739.84 = 30,797,762.56/x
  3. Step 3: Cross multiply
    91,381,511.68x = 137,072,739.84 × 30,797,762.56
  4. Step 4: Simplify right side
    91,381,511.68x = 4,221,533,695,040,972.50
  5. Step 5: Solve for x
    x = 4,221,533,695,040,972.50/91,381,511.68
  6. Step 6: Final answer
    x = 46,196,803.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.