Home / 112,076,728.40-168,146,585.40-54,570,875.60

Finding the Fourth Proportional to 112,076,728.40, 168,146,585.40 and 54,570,875.60

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Solution

The fourth proportional to 112,076,728.40, 168,146,585.40 and 54,570,875.60 is: 81,871,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,076,728.40 : 168,146,585.40 = 54,570,875.60 : x
  2. Step 2: Convert to fraction form
    112,076,728.40/168,146,585.40 = 54,570,875.60/x
  3. Step 3: Cross multiply
    112,076,728.40x = 168,146,585.40 × 54,570,875.60
  4. Step 4: Simplify right side
    112,076,728.40x = 9,175,906,394,428,176
  5. Step 5: Solve for x
    x = 9,175,906,394,428,176/112,076,728.40
  6. Step 6: Final answer
    x = 81,871,647.45

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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.