Home / 126,311,967.87-174,245,225.22-79,929,127.77

Finding the Fourth Proportional to 126,311,967.87, 174,245,225.22 and 79,929,127.77

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Solution

The fourth proportional to 126,311,967.87, 174,245,225.22 and 79,929,127.77 is: 110,260,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311,967.87 : 174,245,225.22 = 79,929,127.77 : x
  2. Step 2: Convert to fraction form
    126,311,967.87/174,245,225.22 = 79,929,127.77/x
  3. Step 3: Cross multiply
    126,311,967.87x = 174,245,225.22 × 79,929,127.77
  4. Step 4: Simplify right side
    126,311,967.87x = 13,927,268,869,921,806
  5. Step 5: Solve for x
    x = 13,927,268,869,921,806/126,311,967.87
  6. Step 6: Final answer
    x = 110,260,881.09

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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.