Home / 143,146,548.70-214,719,823.05-70,505,207.02

Finding the Fourth Proportional to 143,146,548.70, 214,719,823.05 and 70,505,207.02

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Solution

The fourth proportional to 143,146,548.70, 214,719,823.05 and 70,505,207.02 is: 105,757,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,146,548.70 : 214,719,823.05 = 70,505,207.02 : x
  2. Step 2: Convert to fraction form
    143,146,548.70/214,719,823.05 = 70,505,207.02/x
  3. Step 3: Cross multiply
    143,146,548.70x = 214,719,823.05 × 70,505,207.02
  4. Step 4: Simplify right side
    143,146,548.70x = 15,138,865,575,438,018
  5. Step 5: Solve for x
    x = 15,138,865,575,438,018/143,146,548.70
  6. Step 6: Final answer
    x = 105,757,810.53

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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.