Home / 153,272,005.20-229,908,007.80-136,643,806.80

Finding the Fourth Proportional to 153,272,005.20, 229,908,007.80 and 136,643,806.80

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Solution

The fourth proportional to 153,272,005.20, 229,908,007.80 and 136,643,806.80 is: 204,965,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,272,005.20 : 229,908,007.80 = 136,643,806.80 : x
  2. Step 2: Convert to fraction form
    153,272,005.20/229,908,007.80 = 136,643,806.80/x
  3. Step 3: Cross multiply
    153,272,005.20x = 229,908,007.80 × 136,643,806.80
  4. Step 4: Simplify right side
    153,272,005.20x = 31,415,505,399,596,096
  5. Step 5: Solve for x
    x = 31,415,505,399,596,096/153,272,005.20
  6. Step 6: Final answer
    x = 204,965,710.20

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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.