Home / 105,489,879.10-158,234,818.65-103,600,311.10

Finding the Fourth Proportional to 105,489,879.10, 158,234,818.65 and 103,600,311.10

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Solution

The fourth proportional to 105,489,879.10, 158,234,818.65 and 103,600,311.10 is: 155,400,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489,879.10 : 158,234,818.65 = 103,600,311.10 : x
  2. Step 2: Convert to fraction form
    105,489,879.10/158,234,818.65 = 103,600,311.10/x
  3. Step 3: Cross multiply
    105,489,879.10x = 158,234,818.65 × 103,600,311.10
  4. Step 4: Simplify right side
    105,489,879.10x = 16,393,176,438,992,082
  5. Step 5: Solve for x
    x = 16,393,176,438,992,082/105,489,879.10
  6. Step 6: Final answer
    x = 155,400,466.65

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Similar ratio
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1.5x scale

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.