Home / 540,142,856.19-810,214,294.01-131,196,251.07

Finding the Fourth Proportional to 540,142,856.19, 810,214,294.01 and 131,196,251.07

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Solution

The fourth proportional to 540,142,856.19, 810,214,294.01 and 131,196,251.07 is: 196,794,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,142,856.19 : 810,214,294.01 = 131,196,251.07 : x
  2. Step 2: Convert to fraction form
    540,142,856.19/810,214,294.01 = 131,196,251.07/x
  3. Step 3: Cross multiply
    540,142,856.19x = 810,214,294.01 × 131,196,251.07
  4. Step 4: Simplify right side
    540,142,856.19x = 106,297,077,936,782,768
  5. Step 5: Solve for x
    x = 106,297,077,936,782,768/540,142,856.19
  6. Step 6: Final answer
    x = 196,794,378.97

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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.