Home / 171,872,758.67-257,806,586.51-42,480,361.67

Finding the Fourth Proportional to 171,872,758.67, 257,806,586.51 and 42,480,361.67

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Solution

The fourth proportional to 171,872,758.67, 257,806,586.51 and 42,480,361.67 is: 63,719,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,872,758.67 : 257,806,586.51 = 42,480,361.67 : x
  2. Step 2: Convert to fraction form
    171,872,758.67/257,806,586.51 = 42,480,361.67/x
  3. Step 3: Cross multiply
    171,872,758.67x = 257,806,586.51 × 42,480,361.67
  4. Step 4: Simplify right side
    171,872,758.67x = 10,951,717,035,640,542
  5. Step 5: Solve for x
    x = 10,951,717,035,640,542/171,872,758.67
  6. Step 6: Final answer
    x = 63,719,911.87

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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.