Home / 166,485,823.35-249,370,012.35-137,788,009.35

Finding the Fourth Proportional to 166,485,823.35, 249,370,012.35 and 137,788,009.35

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Solution

The fourth proportional to 166,485,823.35, 249,370,012.35 and 137,788,009.35 is: 206,385,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,823.35 : 249,370,012.35 = 137,788,009.35 : x
  2. Step 2: Convert to fraction form
    166,485,823.35/249,370,012.35 = 137,788,009.35/x
  3. Step 3: Cross multiply
    166,485,823.35x = 249,370,012.35 × 137,788,009.35
  4. Step 4: Simplify right side
    166,485,823.35x = 34,360,197,593,291,412
  5. Step 5: Solve for x
    x = 34,360,197,593,291,412/166,485,823.35
  6. Step 6: Final answer
    x = 206,385,125.78

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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.