Home / 201,854,285.39-278,559,035.88-109,034,834.24

Finding the Fourth Proportional to 201,854,285.39, 278,559,035.88 and 109,034,834.24

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Solution

The fourth proportional to 201,854,285.39, 278,559,035.88 and 109,034,834.24 is: 150,468,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,854,285.39 : 278,559,035.88 = 109,034,834.24 : x
  2. Step 2: Convert to fraction form
    201,854,285.39/278,559,035.88 = 109,034,834.24/x
  3. Step 3: Cross multiply
    201,854,285.39x = 278,559,035.88 × 109,034,834.24
  4. Step 4: Simplify right side
    201,854,285.39x = 30,372,638,303,517,536
  5. Step 5: Solve for x
    x = 30,372,638,303,517,536/201,854,285.39
  6. Step 6: Final answer
    x = 150,468,137.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.