Home / 201,854,289.33-278,559,041.31-109,034,838.18

Finding the Fourth Proportional to 201,854,289.33, 278,559,041.31 and 109,034,838.18

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Solution

The fourth proportional to 201,854,289.33, 278,559,041.31 and 109,034,838.18 is: 150,468,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,854,289.33 : 278,559,041.31 = 109,034,838.18 : x
  2. Step 2: Convert to fraction form
    201,854,289.33/278,559,041.31 = 109,034,838.18/x
  3. Step 3: Cross multiply
    201,854,289.33x = 278,559,041.31 × 109,034,838.18
  4. Step 4: Simplify right side
    201,854,289.33x = 30,372,639,992,811,788
  5. Step 5: Solve for x
    x = 30,372,639,992,811,788/201,854,289.33
  6. Step 6: Final answer
    x = 150,468,142.61

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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.