Home / 251,639,970.78-377,284,471.63-111,504,210.46

Finding the Fourth Proportional to 251,639,970.78, 377,284,471.63 and 111,504,210.46

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Solution

The fourth proportional to 251,639,970.78, 377,284,471.63 and 111,504,210.46 is: 167,178,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,639,970.78 : 377,284,471.63 = 111,504,210.46 : x
  2. Step 2: Convert to fraction form
    251,639,970.78/377,284,471.63 = 111,504,210.46/x
  3. Step 3: Cross multiply
    251,639,970.78x = 377,284,471.63 × 111,504,210.46
  4. Step 4: Simplify right side
    251,639,970.78x = 42,068,807,127,921,416
  5. Step 5: Solve for x
    x = 42,068,807,127,921,416/251,639,970.78
  6. Step 6: Final answer
    x = 167,178,556.72

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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.