Home / 143,176,679.34-214,725,822.93-39,521,105.25

Finding the Fourth Proportional to 143,176,679.34, 214,725,822.93 and 39,521,105.25

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Solution

The fourth proportional to 143,176,679.34, 214,725,822.93 and 39,521,105.25 is: 59,270,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,176,679.34 : 214,725,822.93 = 39,521,105.25 : x
  2. Step 2: Convert to fraction form
    143,176,679.34/214,725,822.93 = 39,521,105.25/x
  3. Step 3: Cross multiply
    143,176,679.34x = 214,725,822.93 × 39,521,105.25
  4. Step 4: Simplify right side
    143,176,679.34x = 8,486,201,847,909,394
  5. Step 5: Solve for x
    x = 8,486,201,847,909,394/143,176,679.34
  6. Step 6: Final answer
    x = 59,270,838.57

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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.