Home / 166,069,109.20-249,103,663.80-108,738,216.40

Finding the Fourth Proportional to 166,069,109.20, 249,103,663.80 and 108,738,216.40

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Solution

The fourth proportional to 166,069,109.20, 249,103,663.80 and 108,738,216.40 is: 163,107,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069,109.20 : 249,103,663.80 = 108,738,216.40 : x
  2. Step 2: Convert to fraction form
    166,069,109.20/249,103,663.80 = 108,738,216.40/x
  3. Step 3: Cross multiply
    166,069,109.20x = 249,103,663.80 × 108,738,216.40
  4. Step 4: Simplify right side
    166,069,109.20x = 27,087,088,100,317,248
  5. Step 5: Solve for x
    x = 27,087,088,100,317,248/166,069,109.20
  6. Step 6: Final answer
    x = 163,107,324.60

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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.