Home / 124,443,064.89-171,705,790.67-71,509,548.33

Finding the Fourth Proportional to 124,443,064.89, 171,705,790.67 and 71,509,548.33

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Solution

The fourth proportional to 124,443,064.89, 171,705,790.67 and 71,509,548.33 is: 98,668,443.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443,064.89 : 171,705,790.67 = 71,509,548.33 : x
  2. Step 2: Convert to fraction form
    124,443,064.89/171,705,790.67 = 71,509,548.33/x
  3. Step 3: Cross multiply
    124,443,064.89x = 171,705,790.67 × 71,509,548.33
  4. Step 4: Simplify right side
    124,443,064.89x = 12,278,603,536,099,680
  5. Step 5: Solve for x
    x = 12,278,603,536,099,680/124,443,064.89
  6. Step 6: Final answer
    x = 98,668,443.65

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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.