Home / 157,757,170.23-217,716,160.50-87,191,262.36

Finding the Fourth Proportional to 157,757,170.23, 217,716,160.50 and 87,191,262.36

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Solution

The fourth proportional to 157,757,170.23, 217,716,160.50 and 87,191,262.36 is: 120,330,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,757,170.23 : 217,716,160.50 = 87,191,262.36 : x
  2. Step 2: Convert to fraction form
    157,757,170.23/217,716,160.50 = 87,191,262.36/x
  3. Step 3: Cross multiply
    157,757,170.23x = 217,716,160.50 × 87,191,262.36
  4. Step 4: Simplify right side
    157,757,170.23x = 18,982,946,870,167,368
  5. Step 5: Solve for x
    x = 18,982,946,870,167,368/157,757,170.23
  6. Step 6: Final answer
    x = 120,330,168.46

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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.