Home / 153,256,687.20-229,885,030.80-136,628,488.80

Finding the Fourth Proportional to 153,256,687.20, 229,885,030.80 and 136,628,488.80

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Solution

The fourth proportional to 153,256,687.20, 229,885,030.80 and 136,628,488.80 is: 204,942,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,256,687.20 : 229,885,030.80 = 136,628,488.80 : x
  2. Step 2: Convert to fraction form
    153,256,687.20/229,885,030.80 = 136,628,488.80/x
  3. Step 3: Cross multiply
    153,256,687.20x = 229,885,030.80 × 136,628,488.80
  4. Step 4: Simplify right side
    153,256,687.20x = 31,408,844,355,945,460
  5. Step 5: Solve for x
    x = 31,408,844,355,945,460/153,256,687.20
  6. Step 6: Final answer
    x = 204,942,733.20

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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.