Home / 48,785,421.44-67,338,956.81-31,381,766.64

Finding the Fourth Proportional to 48,785,421.44, 67,338,956.81 and 31,381,766.64

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Solution

The fourth proportional to 48,785,421.44, 67,338,956.81 and 31,381,766.64 is: 43,316,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,785,421.44 : 67,338,956.81 = 31,381,766.64 : x
  2. Step 2: Convert to fraction form
    48,785,421.44/67,338,956.81 = 31,381,766.64/x
  3. Step 3: Cross multiply
    48,785,421.44x = 67,338,956.81 × 31,381,766.64
  4. Step 4: Simplify right side
    48,785,421.44x = 2,113,215,428,470,913.25
  5. Step 5: Solve for x
    x = 2,113,215,428,470,913.25/48,785,421.44
  6. Step 6: Final answer
    x = 43,316,535.27

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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.