Home / 166,145,129.40-249,442,080.30-97,128,658.20

Finding the Fourth Proportional to 166,145,129.40, 249,442,080.30 and 97,128,658.20

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Solution

The fourth proportional to 166,145,129.40, 249,442,080.30 and 97,128,658.20 is: 145,824,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,145,129.40 : 249,442,080.30 = 97,128,658.20 : x
  2. Step 2: Convert to fraction form
    166,145,129.40/249,442,080.30 = 97,128,658.20/x
  3. Step 3: Cross multiply
    166,145,129.40x = 249,442,080.30 × 97,128,658.20
  4. Step 4: Simplify right side
    166,145,129.40x = 24,227,974,558,155,656
  5. Step 5: Solve for x
    x = 24,227,974,558,155,656/166,145,129.40
  6. Step 6: Final answer
    x = 145,824,163.76

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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.