Home / 245,596,809.20-368,395,213.80-225,508,339.40

Finding the Fourth Proportional to 245,596,809.20, 368,395,213.80 and 225,508,339.40

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Solution

The fourth proportional to 245,596,809.20, 368,395,213.80 and 225,508,339.40 is: 338,262,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,596,809.20 : 368,395,213.80 = 225,508,339.40 : x
  2. Step 2: Convert to fraction form
    245,596,809.20/368,395,213.80 = 225,508,339.40/x
  3. Step 3: Cross multiply
    245,596,809.20x = 368,395,213.80 × 225,508,339.40
  4. Step 4: Simplify right side
    245,596,809.20x = 83,076,192,906,945,968
  5. Step 5: Solve for x
    x = 83,076,192,906,945,968/245,596,809.20
  6. Step 6: Final answer
    x = 338,262,509.10

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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.