Home / 195,613,612.80-293,233,795.20-72,759,033.60

Finding the Fourth Proportional to 195,613,612.80, 293,233,795.20 and 72,759,033.60

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Solution

The fourth proportional to 195,613,612.80, 293,233,795.20 and 72,759,033.60 is: 109,069,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,613,612.80 : 293,233,795.20 = 72,759,033.60 : x
  2. Step 2: Convert to fraction form
    195,613,612.80/293,233,795.20 = 72,759,033.60/x
  3. Step 3: Cross multiply
    195,613,612.80x = 293,233,795.20 × 72,759,033.60
  4. Step 4: Simplify right side
    195,613,612.80x = 21,335,407,557,612,316
  5. Step 5: Solve for x
    x = 21,335,407,557,612,316/195,613,612.80
  6. Step 6: Final answer
    x = 109,069,135.08

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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.