Home / 209,952,254.30-314,928,381.46-145,329,028.70

Finding the Fourth Proportional to 209,952,254.30, 314,928,381.46 and 145,329,028.70

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Solution

The fourth proportional to 209,952,254.30, 314,928,381.46 and 145,329,028.70 is: 217,993,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,254.30 : 314,928,381.46 = 145,329,028.70 : x
  2. Step 2: Convert to fraction form
    209,952,254.30/314,928,381.46 = 145,329,028.70/x
  3. Step 3: Cross multiply
    209,952,254.30x = 314,928,381.46 × 145,329,028.70
  4. Step 4: Simplify right side
    209,952,254.30x = 45,768,235,787,644,880
  5. Step 5: Solve for x
    x = 45,768,235,787,644,880/209,952,254.30
  6. Step 6: Final answer
    x = 217,993,543.06

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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.