Home / 166,145,133.40-249,442,086.30-97,128,662.20

Finding the Fourth Proportional to 166,145,133.40, 249,442,086.30 and 97,128,662.20

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Solution

The fourth proportional to 166,145,133.40, 249,442,086.30 and 97,128,662.20 is: 145,824,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,145,133.40 : 249,442,086.30 = 97,128,662.20 : x
  2. Step 2: Convert to fraction form
    166,145,133.40/249,442,086.30 = 97,128,662.20/x
  3. Step 3: Cross multiply
    166,145,133.40x = 249,442,086.30 × 97,128,662.20
  4. Step 4: Simplify right side
    166,145,133.40x = 24,227,976,138,695,948
  5. Step 5: Solve for x
    x = 24,227,976,138,695,948/166,145,133.40
  6. Step 6: Final answer
    x = 145,824,169.77

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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.