Home / 225,521,206.40-338,281,809.60-199,543,145.60

Finding the Fourth Proportional to 225,521,206.40, 338,281,809.60 and 199,543,145.60

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Solution

The fourth proportional to 225,521,206.40, 338,281,809.60 and 199,543,145.60 is: 299,314,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,521,206.40 : 338,281,809.60 = 199,543,145.60 : x
  2. Step 2: Convert to fraction form
    225,521,206.40/338,281,809.60 = 199,543,145.60/x
  3. Step 3: Cross multiply
    225,521,206.40x = 338,281,809.60 × 199,543,145.60
  4. Step 4: Simplify right side
    225,521,206.40x = 67,501,816,386,844,280
  5. Step 5: Solve for x
    x = 67,501,816,386,844,280/225,521,206.40
  6. Step 6: Final answer
    x = 299,314,718.40

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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.