Home / 166,145,107.40-249,442,047.30-97,128,636.20

Finding the Fourth Proportional to 166,145,107.40, 249,442,047.30 and 97,128,636.20

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Solution

The fourth proportional to 166,145,107.40, 249,442,047.30 and 97,128,636.20 is: 145,824,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,145,107.40 : 249,442,047.30 = 97,128,636.20 : x
  2. Step 2: Convert to fraction form
    166,145,107.40/249,442,047.30 = 97,128,636.20/x
  3. Step 3: Cross multiply
    166,145,107.40x = 249,442,047.30 × 97,128,636.20
  4. Step 4: Simplify right side
    166,145,107.40x = 24,227,965,865,184,896
  5. Step 5: Solve for x
    x = 24,227,965,865,184,896/166,145,107.40
  6. Step 6: Final answer
    x = 145,824,130.75

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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.