Home / 143,596,396.05-214,916,297.18-126,377,707.65

Finding the Fourth Proportional to 143,596,396.05, 214,916,297.18 and 126,377,707.65

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Solution

The fourth proportional to 143,596,396.05, 214,916,297.18 and 126,377,707.65 is: 189,145,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,596,396.05 : 214,916,297.18 = 126,377,707.65 : x
  2. Step 2: Convert to fraction form
    143,596,396.05/214,916,297.18 = 126,377,707.65/x
  3. Step 3: Cross multiply
    143,596,396.05x = 214,916,297.18 × 126,377,707.65
  4. Step 4: Simplify right side
    143,596,396.05x = 27,160,628,973,602,672
  5. Step 5: Solve for x
    x = 27,160,628,973,602,672/143,596,396.05
  6. Step 6: Final answer
    x = 189,145,617.30

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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.