Home / 143,717,999.60-215,608,492.20-70,969,631.60

Finding the Fourth Proportional to 143,717,999.60, 215,608,492.20 and 70,969,631.60

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Solution

The fourth proportional to 143,717,999.60, 215,608,492.20 and 70,969,631.60 is: 106,469,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717,999.60 : 215,608,492.20 = 70,969,631.60 : x
  2. Step 2: Convert to fraction form
    143,717,999.60/215,608,492.20 = 70,969,631.60/x
  3. Step 3: Cross multiply
    143,717,999.60x = 215,608,492.20 × 70,969,631.60
  4. Step 4: Simplify right side
    143,717,999.60x = 15,301,655,261,265,472
  5. Step 5: Solve for x
    x = 15,301,655,261,265,472/143,717,999.60
  6. Step 6: Final answer
    x = 106,469,998.91

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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.