Home / 145,200,126.80-217,608,900.60-106,680,933.20

Finding the Fourth Proportional to 145,200,126.80, 217,608,900.60 and 106,680,933.20

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Solution

The fourth proportional to 145,200,126.80, 217,608,900.60 and 106,680,933.20 is: 159,880,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,200,126.80 : 217,608,900.60 = 106,680,933.20 : x
  2. Step 2: Convert to fraction form
    145,200,126.80/217,608,900.60 = 106,680,933.20/x
  3. Step 3: Cross multiply
    145,200,126.80x = 217,608,900.60 × 106,680,933.20
  4. Step 4: Simplify right side
    145,200,126.80x = 23,214,720,588,634,040
  5. Step 5: Solve for x
    x = 23,214,720,588,634,040/145,200,126.80
  6. Step 6: Final answer
    x = 159,880,856.17

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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.