Home / 73,842,274.40-110,863,138.80-43,168,287.20

Finding the Fourth Proportional to 73,842,274.40, 110,863,138.80 and 43,168,287.20

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Solution

The fourth proportional to 73,842,274.40, 110,863,138.80 and 43,168,287.20 is: 64,810,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,842,274.40 : 110,863,138.80 = 43,168,287.20 : x
  2. Step 2: Convert to fraction form
    73,842,274.40/110,863,138.80 = 43,168,287.20/x
  3. Step 3: Cross multiply
    73,842,274.40x = 110,863,138.80 × 43,168,287.20
  4. Step 4: Simplify right side
    73,842,274.40x = 4,785,771,815,611,864
  5. Step 5: Solve for x
    x = 4,785,771,815,611,864/73,842,274.40
  6. Step 6: Final answer
    x = 64,810,731.45

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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.