Home / 251,361,047.20-377,041,570.80-193,965,419.20

Finding the Fourth Proportional to 251,361,047.20, 377,041,570.80 and 193,965,419.20

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Solution

The fourth proportional to 251,361,047.20, 377,041,570.80 and 193,965,419.20 is: 290,948,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,361,047.20 : 377,041,570.80 = 193,965,419.20 : x
  2. Step 2: Convert to fraction form
    251,361,047.20/377,041,570.80 = 193,965,419.20/x
  3. Step 3: Cross multiply
    251,361,047.20x = 377,041,570.80 × 193,965,419.20
  4. Step 4: Simplify right side
    251,361,047.20x = 73,133,026,336,048,480
  5. Step 5: Solve for x
    x = 73,133,026,336,048,480/251,361,047.20
  6. Step 6: Final answer
    x = 290,948,128.80

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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.