Home / 82,748,062.72-124,036,928.40-36,711,612.32

Finding the Fourth Proportional to 82,748,062.72, 124,036,928.40 and 36,711,612.32

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Solution

The fourth proportional to 82,748,062.72, 124,036,928.40 and 36,711,612.32 is: 55,029,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,748,062.72 : 124,036,928.40 = 36,711,612.32 : x
  2. Step 2: Convert to fraction form
    82,748,062.72/124,036,928.40 = 36,711,612.32/x
  3. Step 3: Cross multiply
    82,748,062.72x = 124,036,928.40 × 36,711,612.32
  4. Step 4: Simplify right side
    82,748,062.72x = 4,553,595,628,784,398
  5. Step 5: Solve for x
    x = 4,553,595,628,784,398/82,748,062.72
  6. Step 6: Final answer
    x = 55,029,634.28

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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.