Home / 105,183,766.20-157,700,999.70-47,703,574.20

Finding the Fourth Proportional to 105,183,766.20, 157,700,999.70 and 47,703,574.20

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Solution

The fourth proportional to 105,183,766.20, 157,700,999.70 and 47,703,574.20 is: 71,521,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,183,766.20 : 157,700,999.70 = 47,703,574.20 : x
  2. Step 2: Convert to fraction form
    105,183,766.20/157,700,999.70 = 47,703,574.20/x
  3. Step 3: Cross multiply
    105,183,766.20x = 157,700,999.70 × 47,703,574.20
  4. Step 4: Simplify right side
    105,183,766.20x = 7,522,901,340,603,128
  5. Step 5: Solve for x
    x = 7,522,901,340,603,128/105,183,766.20
  6. Step 6: Final answer
    x = 71,521,505.76

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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.