Home / 179,186,629.80-268,829,711.10-76,999,621.80

Finding the Fourth Proportional to 179,186,629.80, 268,829,711.10 and 76,999,621.80

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Solution

The fourth proportional to 179,186,629.80, 268,829,711.10 and 76,999,621.80 is: 115,520,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,186,629.80 : 268,829,711.10 = 76,999,621.80 : x
  2. Step 2: Convert to fraction form
    179,186,629.80/268,829,711.10 = 76,999,621.80/x
  3. Step 3: Cross multiply
    179,186,629.80x = 268,829,711.10 × 76,999,621.80
  4. Step 4: Simplify right side
    179,186,629.80x = 20,699,786,083,303,264
  5. Step 5: Solve for x
    x = 20,699,786,083,303,264/179,186,629.80
  6. Step 6: Final answer
    x = 115,520,818.19

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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.