Home / 146,765,155.60-202,536,045.02-80,686,778.10

Finding the Fourth Proportional to 146,765,155.60, 202,536,045.02 and 80,686,778.10

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Solution

The fourth proportional to 146,765,155.60, 202,536,045.02 and 80,686,778.10 is: 111,347,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,765,155.60 : 202,536,045.02 = 80,686,778.10 : x
  2. Step 2: Convert to fraction form
    146,765,155.60/202,536,045.02 = 80,686,778.10/x
  3. Step 3: Cross multiply
    146,765,155.60x = 202,536,045.02 × 80,686,778.10
  4. Step 4: Simplify right side
    146,765,155.60x = 16,341,980,921,780,350
  5. Step 5: Solve for x
    x = 16,341,980,921,780,350/146,765,155.60
  6. Step 6: Final answer
    x = 111,347,825.41

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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.