Home / 124,017,193.64-171,142,369.12-68,261,422

Finding the Fourth Proportional to 124,017,193.64, 171,142,369.12 and 68,261,422

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Solution

The fourth proportional to 124,017,193.64, 171,142,369.12 and 68,261,422 is: 94,200,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017,193.64 : 171,142,369.12 = 68,261,422 : x
  2. Step 2: Convert to fraction form
    124,017,193.64/171,142,369.12 = 68,261,422/x
  3. Step 3: Cross multiply
    124,017,193.64x = 171,142,369.12 × 68,261,422
  4. Step 4: Simplify right side
    124,017,193.64x = 11,682,421,480,580,088
  5. Step 5: Solve for x
    x = 11,682,421,480,580,088/124,017,193.64
  6. Step 6: Final answer
    x = 94,200,014.83

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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.