Home / 102,981,860.08-142,152,258.62-68,185,760.60

Finding the Fourth Proportional to 102,981,860.08, 142,152,258.62 and 68,185,760.60

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Solution

The fourth proportional to 102,981,860.08, 142,152,258.62 and 68,185,760.60 is: 94,121,041.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,981,860.08 : 142,152,258.62 = 68,185,760.60 : x
  2. Step 2: Convert to fraction form
    102,981,860.08/142,152,258.62 = 68,185,760.60/x
  3. Step 3: Cross multiply
    102,981,860.08x = 142,152,258.62 × 68,185,760.60
  4. Step 4: Simplify right side
    102,981,860.08x = 9,692,759,875,538,452
  5. Step 5: Solve for x
    x = 9,692,759,875,538,452/102,981,860.08
  6. Step 6: Final answer
    x = 94,121,041.01

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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.