Home / 124,017,195.51-171,142,371.65-68,261,423.85

Finding the Fourth Proportional to 124,017,195.51, 171,142,371.65 and 68,261,423.85

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Solution

The fourth proportional to 124,017,195.51, 171,142,371.65 and 68,261,423.85 is: 94,200,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,017,195.51 : 171,142,371.65 = 68,261,423.85 : x
  2. Step 2: Convert to fraction form
    124,017,195.51/171,142,371.65 = 68,261,423.85/x
  3. Step 3: Cross multiply
    124,017,195.51x = 171,142,371.65 × 68,261,423.85
  4. Step 4: Simplify right side
    124,017,195.51x = 11,682,421,969,894,874
  5. Step 5: Solve for x
    x = 11,682,421,969,894,874/124,017,195.51
  6. Step 6: Final answer
    x = 94,200,017.36

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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.