Home / 86,451,491.34-129,667,653.06-21,755,313.90

Finding the Fourth Proportional to 86,451,491.34, 129,667,653.06 and 21,755,313.90

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Solution

The fourth proportional to 86,451,491.34, 129,667,653.06 and 21,755,313.90 is: 32,630,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,451,491.34 : 129,667,653.06 = 21,755,313.90 : x
  2. Step 2: Convert to fraction form
    86,451,491.34/129,667,653.06 = 21,755,313.90/x
  3. Step 3: Cross multiply
    86,451,491.34x = 129,667,653.06 × 21,755,313.90
  4. Step 4: Simplify right side
    86,451,491.34x = 2,820,960,494,996,595.50
  5. Step 5: Solve for x
    x = 2,820,960,494,996,595.50/86,451,491.34
  6. Step 6: Final answer
    x = 32,630,559.07

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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.