Home / 225,266,428.80-337,899,643.20-209,482,631.10

Finding the Fourth Proportional to 225,266,428.80, 337,899,643.20 and 209,482,631.10

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Solution

The fourth proportional to 225,266,428.80, 337,899,643.20 and 209,482,631.10 is: 314,223,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,266,428.80 : 337,899,643.20 = 209,482,631.10 : x
  2. Step 2: Convert to fraction form
    225,266,428.80/337,899,643.20 = 209,482,631.10/x
  3. Step 3: Cross multiply
    225,266,428.80x = 337,899,643.20 × 209,482,631.10
  4. Step 4: Simplify right side
    225,266,428.80x = 70,784,106,305,287,216
  5. Step 5: Solve for x
    x = 70,784,106,305,287,216/225,266,428.80
  6. Step 6: Final answer
    x = 314,223,946.65

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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.