Home / 91,497,678.22-137,250,931.38-30,085,477.30

Finding the Fourth Proportional to 91,497,678.22, 137,250,931.38 and 30,085,477.30

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Solution

The fourth proportional to 91,497,678.22, 137,250,931.38 and 30,085,477.30 is: 45,129,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,678.22 : 137,250,931.38 = 30,085,477.30 : x
  2. Step 2: Convert to fraction form
    91,497,678.22/137,250,931.38 = 30,085,477.30/x
  3. Step 3: Cross multiply
    91,497,678.22x = 137,250,931.38 × 30,085,477.30
  4. Step 4: Simplify right side
    91,497,678.22x = 4,129,259,780,436,847.50
  5. Step 5: Solve for x
    x = 4,129,259,780,436,847.50/91,497,678.22
  6. Step 6: Final answer
    x = 45,129,667.34

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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.