Home / 231,420,222.80-345,085,710.34-229,343,097.68

Finding the Fourth Proportional to 231,420,222.80, 345,085,710.34 and 229,343,097.68

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Solution

The fourth proportional to 231,420,222.80, 345,085,710.34 and 229,343,097.68 is: 341,988,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,420,222.80 : 345,085,710.34 = 229,343,097.68 : x
  2. Step 2: Convert to fraction form
    231,420,222.80/345,085,710.34 = 229,343,097.68/x
  3. Step 3: Cross multiply
    231,420,222.80x = 345,085,710.34 × 229,343,097.68
  4. Step 4: Simplify right side
    231,420,222.80x = 79,143,025,774,478,800
  5. Step 5: Solve for x
    x = 79,143,025,774,478,800/231,420,222.80
  6. Step 6: Final answer
    x = 341,988,374.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.