Home / 213,867,844.02-320,750,400.68-98,741,772.90

Finding the Fourth Proportional to 213,867,844.02, 320,750,400.68 and 98,741,772.90

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Solution

The fourth proportional to 213,867,844.02, 320,750,400.68 and 98,741,772.90 is: 148,088,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,867,844.02 : 320,750,400.68 = 98,741,772.90 : x
  2. Step 2: Convert to fraction form
    213,867,844.02/320,750,400.68 = 98,741,772.90/x
  3. Step 3: Cross multiply
    213,867,844.02x = 320,750,400.68 × 98,741,772.90
  4. Step 4: Simplify right side
    213,867,844.02x = 31,671,463,221,528,568
  5. Step 5: Solve for x
    x = 31,671,463,221,528,568/213,867,844.02
  6. Step 6: Final answer
    x = 148,088,944.21

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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.