Home / 143,289,322.40-214,933,983.60-140,897,837.90

Finding the Fourth Proportional to 143,289,322.40, 214,933,983.60 and 140,897,837.90

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Solution

The fourth proportional to 143,289,322.40, 214,933,983.60 and 140,897,837.90 is: 211,346,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,289,322.40 : 214,933,983.60 = 140,897,837.90 : x
  2. Step 2: Convert to fraction form
    143,289,322.40/214,933,983.60 = 140,897,837.90/x
  3. Step 3: Cross multiply
    143,289,322.40x = 214,933,983.60 × 140,897,837.90
  4. Step 4: Simplify right side
    143,289,322.40x = 30,283,733,580,474,060
  5. Step 5: Solve for x
    x = 30,283,733,580,474,060/143,289,322.40
  6. Step 6: Final answer
    x = 211,346,756.85

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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.