Home / 248,103,721.20-372,155,581.80-102,488,887.20

Finding the Fourth Proportional to 248,103,721.20, 372,155,581.80 and 102,488,887.20

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Solution

The fourth proportional to 248,103,721.20, 372,155,581.80 and 102,488,887.20 is: 153,733,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,103,721.20 : 372,155,581.80 = 102,488,887.20 : x
  2. Step 2: Convert to fraction form
    248,103,721.20/372,155,581.80 = 102,488,887.20/x
  3. Step 3: Cross multiply
    248,103,721.20x = 372,155,581.80 × 102,488,887.20
  4. Step 4: Simplify right side
    248,103,721.20x = 38,141,811,443,950,576
  5. Step 5: Solve for x
    x = 38,141,811,443,950,576/248,103,721.20
  6. Step 6: Final answer
    x = 153,733,330.80

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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.