Home / 144,981,903.70-217,472,855.55-139,408,066.90

Finding the Fourth Proportional to 144,981,903.70, 217,472,855.55 and 139,408,066.90

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Solution

The fourth proportional to 144,981,903.70, 217,472,855.55 and 139,408,066.90 is: 209,112,100.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,981,903.70 : 217,472,855.55 = 139,408,066.90 : x
  2. Step 2: Convert to fraction form
    144,981,903.70/217,472,855.55 = 139,408,066.90/x
  3. Step 3: Cross multiply
    144,981,903.70x = 217,472,855.55 × 139,408,066.90
  4. Step 4: Simplify right side
    144,981,903.70x = 30,317,470,395,448,440
  5. Step 5: Solve for x
    x = 30,317,470,395,448,440/144,981,903.70
  6. Step 6: Final answer
    x = 209,112,100.35

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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.