Home / 211,877,095.20-317,826,140.40-109,840,423.20

Finding the Fourth Proportional to 211,877,095.20, 317,826,140.40 and 109,840,423.20

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Solution

The fourth proportional to 211,877,095.20, 317,826,140.40 and 109,840,423.20 is: 164,766,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,877,095.20 : 317,826,140.40 = 109,840,423.20 : x
  2. Step 2: Convert to fraction form
    211,877,095.20/317,826,140.40 = 109,840,423.20/x
  3. Step 3: Cross multiply
    211,877,095.20x = 317,826,140.40 × 109,840,423.20
  4. Step 4: Simplify right side
    211,877,095.20x = 34,910,157,765,558,616
  5. Step 5: Solve for x
    x = 34,910,157,765,558,616/211,877,095.20
  6. Step 6: Final answer
    x = 164,766,076.92

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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.