Home / 121,464,664.20-181,976,546.70-70,194,385.80

Finding the Fourth Proportional to 121,464,664.20, 181,976,546.70 and 70,194,385.80

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Solution

The fourth proportional to 121,464,664.20, 181,976,546.70 and 70,194,385.80 is: 105,164,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,464,664.20 : 181,976,546.70 = 70,194,385.80 : x
  2. Step 2: Convert to fraction form
    121,464,664.20/181,976,546.70 = 70,194,385.80/x
  3. Step 3: Cross multiply
    121,464,664.20x = 181,976,546.70 × 70,194,385.80
  4. Step 4: Simplify right side
    121,464,664.20x = 12,773,731,925,611,516
  5. Step 5: Solve for x
    x = 12,773,731,925,611,516/121,464,664.20
  6. Step 6: Final answer
    x = 105,164,180.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.