Home / 209,952,017.20-314,928,025.80-202,299,266.80

Finding the Fourth Proportional to 209,952,017.20, 314,928,025.80 and 202,299,266.80

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Solution

The fourth proportional to 209,952,017.20, 314,928,025.80 and 202,299,266.80 is: 303,448,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,017.20 : 314,928,025.80 = 202,299,266.80 : x
  2. Step 2: Convert to fraction form
    209,952,017.20/314,928,025.80 = 202,299,266.80/x
  3. Step 3: Cross multiply
    209,952,017.20x = 314,928,025.80 × 202,299,266.80
  4. Step 4: Simplify right side
    209,952,017.20x = 63,709,708,714,111,488
  5. Step 5: Solve for x
    x = 63,709,708,714,111,488/209,952,017.20
  6. Step 6: Final answer
    x = 303,448,900.20

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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.