Home / 202,146,391.96-278,962,017.71-109,326,899.50

Finding the Fourth Proportional to 202,146,391.96, 278,962,017.71 and 109,326,899.50

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Solution

The fourth proportional to 202,146,391.96, 278,962,017.71 and 109,326,899.50 is: 150,871,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,146,391.96 : 278,962,017.71 = 109,326,899.50 : x
  2. Step 2: Convert to fraction form
    202,146,391.96/278,962,017.71 = 109,326,899.50/x
  3. Step 3: Cross multiply
    202,146,391.96x = 278,962,017.71 × 109,326,899.50
  4. Step 4: Simplify right side
    202,146,391.96x = 30,498,052,473,254,348
  5. Step 5: Solve for x
    x = 30,498,052,473,254,348/202,146,391.96
  6. Step 6: Final answer
    x = 150,871,119.58

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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.