Home / 166,485,817.60-249,370,003.72-137,788,003.60

Finding the Fourth Proportional to 166,485,817.60, 249,370,003.72 and 137,788,003.60

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Solution

The fourth proportional to 166,485,817.60, 249,370,003.72 and 137,788,003.60 is: 206,385,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,817.60 : 249,370,003.72 = 137,788,003.60 : x
  2. Step 2: Convert to fraction form
    166,485,817.60/249,370,003.72 = 137,788,003.60/x
  3. Step 3: Cross multiply
    166,485,817.60x = 249,370,003.72 × 137,788,003.60
  4. Step 4: Simplify right side
    166,485,817.60x = 34,360,194,970,303,372
  5. Step 5: Solve for x
    x = 34,360,194,970,303,372/166,485,817.60
  6. Step 6: Final answer
    x = 206,385,117.16

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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.