Home / 123,586,179.80-185,379,269.70-69,166,621.40

Finding the Fourth Proportional to 123,586,179.80, 185,379,269.70 and 69,166,621.40

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Solution

The fourth proportional to 123,586,179.80, 185,379,269.70 and 69,166,621.40 is: 103,749,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586,179.80 : 185,379,269.70 = 69,166,621.40 : x
  2. Step 2: Convert to fraction form
    123,586,179.80/185,379,269.70 = 69,166,621.40/x
  3. Step 3: Cross multiply
    123,586,179.80x = 185,379,269.70 × 69,166,621.40
  4. Step 4: Simplify right side
    123,586,179.80x = 12,822,057,762,748,392
  5. Step 5: Solve for x
    x = 12,822,057,762,748,392/123,586,179.80
  6. Step 6: Final answer
    x = 103,749,932.10

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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.