Home / 123,586,176.80-185,379,265.20-69,166,618.40

Finding the Fourth Proportional to 123,586,176.80, 185,379,265.20 and 69,166,618.40

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Solution

The fourth proportional to 123,586,176.80, 185,379,265.20 and 69,166,618.40 is: 103,749,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586,176.80 : 185,379,265.20 = 69,166,618.40 : x
  2. Step 2: Convert to fraction form
    123,586,176.80/185,379,265.20 = 69,166,618.40/x
  3. Step 3: Cross multiply
    123,586,176.80x = 185,379,265.20 × 69,166,618.40
  4. Step 4: Simplify right side
    123,586,176.80x = 12,822,056,895,360,800
  5. Step 5: Solve for x
    x = 12,822,056,895,360,800/123,586,176.80
  6. Step 6: Final answer
    x = 103,749,927.60

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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.