Home / 120,683,792.19-166,561,182.59-67,766,440.35

Finding the Fourth Proportional to 120,683,792.19, 166,561,182.59 and 67,766,440.35

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Solution

The fourth proportional to 120,683,792.19, 166,561,182.59 and 67,766,440.35 is: 93,527,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,683,792.19 : 166,561,182.59 = 67,766,440.35 : x
  2. Step 2: Convert to fraction form
    120,683,792.19/166,561,182.59 = 67,766,440.35/x
  3. Step 3: Cross multiply
    120,683,792.19x = 166,561,182.59 × 67,766,440.35
  4. Step 4: Simplify right side
    120,683,792.19x = 11,287,258,444,271,860
  5. Step 5: Solve for x
    x = 11,287,258,444,271,860/120,683,792.19
  6. Step 6: Final answer
    x = 93,527,542.01

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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.