Home / 228,906,007.70-343,359,011.55-219,977,798.90

Finding the Fourth Proportional to 228,906,007.70, 343,359,011.55 and 219,977,798.90

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Solution

The fourth proportional to 228,906,007.70, 343,359,011.55 and 219,977,798.90 is: 329,966,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,906,007.70 : 343,359,011.55 = 219,977,798.90 : x
  2. Step 2: Convert to fraction form
    228,906,007.70/343,359,011.55 = 219,977,798.90/x
  3. Step 3: Cross multiply
    228,906,007.70x = 343,359,011.55 × 219,977,798.90
  4. Step 4: Simplify right side
    228,906,007.70x = 75,531,359,593,248,688
  5. Step 5: Solve for x
    x = 75,531,359,593,248,688/228,906,007.70
  6. Step 6: Final answer
    x = 329,966,698.35

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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.