Home / 229,915,221.40-344,872,832.10-207,240,405.40

Finding the Fourth Proportional to 229,915,221.40, 344,872,832.10 and 207,240,405.40

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Solution

The fourth proportional to 229,915,221.40, 344,872,832.10 and 207,240,405.40 is: 310,860,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,915,221.40 : 344,872,832.10 = 207,240,405.40 : x
  2. Step 2: Convert to fraction form
    229,915,221.40/344,872,832.10 = 207,240,405.40/x
  3. Step 3: Cross multiply
    229,915,221.40x = 344,872,832.10 × 207,240,405.40
  4. Step 4: Simplify right side
    229,915,221.40x = 71,471,585,535,850,144
  5. Step 5: Solve for x
    x = 71,471,585,535,850,144/229,915,221.40
  6. Step 6: Final answer
    x = 310,860,608.10

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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.