Home / 120,587,125.76-166,410,315.63-67,656,526.58

Finding the Fourth Proportional to 120,587,125.76, 166,410,315.63 and 67,656,526.58

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Solution

The fourth proportional to 120,587,125.76, 166,410,315.63 and 67,656,526.58 is: 93,366,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587,125.76 : 166,410,315.63 = 67,656,526.58 : x
  2. Step 2: Convert to fraction form
    120,587,125.76/166,410,315.63 = 67,656,526.58/x
  3. Step 3: Cross multiply
    120,587,125.76x = 166,410,315.63 × 67,656,526.58
  4. Step 4: Simplify right side
    120,587,125.76x = 11,258,743,941,775,234
  5. Step 5: Solve for x
    x = 11,258,743,941,775,234/120,587,125.76
  6. Step 6: Final answer
    x = 93,366,052.72

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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.