Home / 111,294,000.10-166,941,000.15-99,389,721.70

Finding the Fourth Proportional to 111,294,000.10, 166,941,000.15 and 99,389,721.70

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Solution

The fourth proportional to 111,294,000.10, 166,941,000.15 and 99,389,721.70 is: 149,084,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,294,000.10 : 166,941,000.15 = 99,389,721.70 : x
  2. Step 2: Convert to fraction form
    111,294,000.10/166,941,000.15 = 99,389,721.70/x
  3. Step 3: Cross multiply
    111,294,000.10x = 166,941,000.15 × 99,389,721.70
  4. Step 4: Simplify right side
    111,294,000.10x = 16,592,219,545,228,160
  5. Step 5: Solve for x
    x = 16,592,219,545,228,160/111,294,000.10
  6. Step 6: Final answer
    x = 149,084,582.55

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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.