Home / 145,309,596.60-200,528,179.02-79,231,183.32

Finding the Fourth Proportional to 145,309,596.60, 200,528,179.02 and 79,231,183.32

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Solution

The fourth proportional to 145,309,596.60, 200,528,179.02 and 79,231,183.32 is: 109,339,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,309,596.60 : 200,528,179.02 = 79,231,183.32 : x
  2. Step 2: Convert to fraction form
    145,309,596.60/200,528,179.02 = 79,231,183.32/x
  3. Step 3: Cross multiply
    145,309,596.60x = 200,528,179.02 × 79,231,183.32
  4. Step 4: Simplify right side
    145,309,596.60x = 15,888,084,912,759,398
  5. Step 5: Solve for x
    x = 15,888,084,912,759,398/145,309,596.60
  6. Step 6: Final answer
    x = 109,339,543.19

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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.