Home / 122,939,158.32-169,656,099.12-67,935,014.64

Finding the Fourth Proportional to 122,939,158.32, 169,656,099.12 and 67,935,014.64

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Solution

The fourth proportional to 122,939,158.32, 169,656,099.12 and 67,935,014.64 is: 93,750,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,939,158.32 : 169,656,099.12 = 67,935,014.64 : x
  2. Step 2: Convert to fraction form
    122,939,158.32/169,656,099.12 = 67,935,014.64/x
  3. Step 3: Cross multiply
    122,939,158.32x = 169,656,099.12 × 67,935,014.64
  4. Step 4: Simplify right side
    122,939,158.32x = 11,525,589,577,482,492
  5. Step 5: Solve for x
    x = 11,525,589,577,482,492/122,939,158.32
  6. Step 6: Final answer
    x = 93,750,353.71

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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.