Home / 166,485,823.85-249,370,013.10-137,788,009.85

Finding the Fourth Proportional to 166,485,823.85, 249,370,013.10 and 137,788,009.85

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Solution

The fourth proportional to 166,485,823.85, 249,370,013.10 and 137,788,009.85 is: 206,385,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,823.85 : 249,370,013.10 = 137,788,009.85 : x
  2. Step 2: Convert to fraction form
    166,485,823.85/249,370,013.10 = 137,788,009.85/x
  3. Step 3: Cross multiply
    166,485,823.85x = 249,370,013.10 × 137,788,009.85
  4. Step 4: Simplify right side
    166,485,823.85x = 34,360,197,821,317,428
  5. Step 5: Solve for x
    x = 34,360,197,821,317,428/166,485,823.85
  6. Step 6: Final answer
    x = 206,385,126.53

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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.