Home / 229,240,811.80-343,861,217.70-208,077,650.20

Finding the Fourth Proportional to 229,240,811.80, 343,861,217.70 and 208,077,650.20

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Solution

The fourth proportional to 229,240,811.80, 343,861,217.70 and 208,077,650.20 is: 312,116,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,240,811.80 : 343,861,217.70 = 208,077,650.20 : x
  2. Step 2: Convert to fraction form
    229,240,811.80/343,861,217.70 = 208,077,650.20/x
  3. Step 3: Cross multiply
    229,240,811.80x = 343,861,217.70 × 208,077,650.20
  4. Step 4: Simplify right side
    229,240,811.80x = 71,549,834,173,926,640
  5. Step 5: Solve for x
    x = 71,549,834,173,926,640/229,240,811.80
  6. Step 6: Final answer
    x = 312,116,475.30

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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.