Home / 123,586,149.80-185,379,224.70-69,166,591.40

Finding the Fourth Proportional to 123,586,149.80, 185,379,224.70 and 69,166,591.40

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Solution

The fourth proportional to 123,586,149.80, 185,379,224.70 and 69,166,591.40 is: 103,749,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586,149.80 : 185,379,224.70 = 69,166,591.40 : x
  2. Step 2: Convert to fraction form
    123,586,149.80/185,379,224.70 = 69,166,591.40/x
  3. Step 3: Cross multiply
    123,586,149.80x = 185,379,224.70 × 69,166,591.40
  4. Step 4: Simplify right side
    123,586,149.80x = 12,822,049,088,873,688
  5. Step 5: Solve for x
    x = 12,822,049,088,873,688/123,586,149.80
  6. Step 6: Final answer
    x = 103,749,887.10

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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.