Home / 57,812,001.51-79,785,606.88-31,711,563.90

Finding the Fourth Proportional to 57,812,001.51, 79,785,606.88 and 31,711,563.90

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Solution

The fourth proportional to 57,812,001.51, 79,785,606.88 and 31,711,563.90 is: 43,764,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,812,001.51 : 79,785,606.88 = 31,711,563.90 : x
  2. Step 2: Convert to fraction form
    57,812,001.51/79,785,606.88 = 31,711,563.90/x
  3. Step 3: Cross multiply
    57,812,001.51x = 79,785,606.88 × 31,711,563.90
  4. Step 4: Simplify right side
    57,812,001.51x = 2,530,126,370,982,742.50
  5. Step 5: Solve for x
    x = 2,530,126,370,982,742.50/57,812,001.51
  6. Step 6: Final answer
    x = 43,764,725.40

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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.