Home / 166,005,861.80-249,008,792.70-97,131,108.20

Finding the Fourth Proportional to 166,005,861.80, 249,008,792.70 and 97,131,108.20

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Solution

The fourth proportional to 166,005,861.80, 249,008,792.70 and 97,131,108.20 is: 145,696,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,005,861.80 : 249,008,792.70 = 97,131,108.20 : x
  2. Step 2: Convert to fraction form
    166,005,861.80/249,008,792.70 = 97,131,108.20/x
  3. Step 3: Cross multiply
    166,005,861.80x = 249,008,792.70 × 97,131,108.20
  4. Step 4: Simplify right side
    166,005,861.80x = 24,186,499,986,495,068
  5. Step 5: Solve for x
    x = 24,186,499,986,495,068/166,005,861.80
  6. Step 6: Final answer
    x = 145,696,662.30

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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.