Home / 38,857,150.50-53,573,022.96-31,862,055.30

Finding the Fourth Proportional to 38,857,150.50, 53,573,022.96 and 31,862,055.30

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Solution

The fourth proportional to 38,857,150.50, 53,573,022.96 and 31,862,055.30 is: 43,928,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,857,150.50 : 53,573,022.96 = 31,862,055.30 : x
  2. Step 2: Convert to fraction form
    38,857,150.50/53,573,022.96 = 31,862,055.30/x
  3. Step 3: Cross multiply
    38,857,150.50x = 53,573,022.96 × 31,862,055.30
  4. Step 4: Simplify right side
    38,857,150.50x = 1,706,946,620,139,689.75
  5. Step 5: Solve for x
    x = 1,706,946,620,139,689.75/38,857,150.50
  6. Step 6: Final answer
    x = 43,928,764.67

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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.