Home / 146,765,155.66-202,536,045.11-80,686,778.16

Finding the Fourth Proportional to 146,765,155.66, 202,536,045.11 and 80,686,778.16

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Solution

The fourth proportional to 146,765,155.66, 202,536,045.11 and 80,686,778.16 is: 111,347,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765,155.66 : 202,536,045.11 = 80,686,778.16 : x
  2. Step 2: Convert to fraction form
    146,765,155.66/202,536,045.11 = 80,686,778.16/x
  3. Step 3: Cross multiply
    146,765,155.66x = 202,536,045.11 × 80,686,778.16
  4. Step 4: Simplify right side
    146,765,155.66x = 16,341,980,941,396,040
  5. Step 5: Solve for x
    x = 16,341,980,941,396,040/146,765,155.66
  6. Step 6: Final answer
    x = 111,347,825.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.