Home / 150,046,031.20-225,069,046.80-139,968,335.20

Finding the Fourth Proportional to 150,046,031.20, 225,069,046.80 and 139,968,335.20

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Solution

The fourth proportional to 150,046,031.20, 225,069,046.80 and 139,968,335.20 is: 209,952,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,046,031.20 : 225,069,046.80 = 139,968,335.20 : x
  2. Step 2: Convert to fraction form
    150,046,031.20/225,069,046.80 = 139,968,335.20/x
  3. Step 3: Cross multiply
    150,046,031.20x = 225,069,046.80 × 139,968,335.20
  4. Step 4: Simplify right side
    150,046,031.20x = 31,502,539,785,646,888
  5. Step 5: Solve for x
    x = 31,502,539,785,646,888/150,046,031.20
  6. Step 6: Final answer
    x = 209,952,502.80

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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.