Home / 100,134,985.17-150,081,408.78-51,586,355.17

Finding the Fourth Proportional to 100,134,985.17, 150,081,408.78 and 51,586,355.17

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Solution

The fourth proportional to 100,134,985.17, 150,081,408.78 and 51,586,355.17 is: 77,317,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,134,985.17 : 150,081,408.78 = 51,586,355.17 : x
  2. Step 2: Convert to fraction form
    100,134,985.17/150,081,408.78 = 51,586,355.17/x
  3. Step 3: Cross multiply
    100,134,985.17x = 150,081,408.78 × 51,586,355.17
  4. Step 4: Simplify right side
    100,134,985.17x = 7,742,152,857,739,037
  5. Step 5: Solve for x
    x = 7,742,152,857,739,037/100,134,985.17
  6. Step 6: Final answer
    x = 77,317,161.87

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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.