Home / 161,758,668.30-242,638,002.45-133,037,234.70

Finding the Fourth Proportional to 161,758,668.30, 242,638,002.45 and 133,037,234.70

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Solution

The fourth proportional to 161,758,668.30, 242,638,002.45 and 133,037,234.70 is: 199,555,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,668.30 : 242,638,002.45 = 133,037,234.70 : x
  2. Step 2: Convert to fraction form
    161,758,668.30/242,638,002.45 = 133,037,234.70/x
  3. Step 3: Cross multiply
    161,758,668.30x = 242,638,002.45 × 133,037,234.70
  4. Step 4: Simplify right side
    161,758,668.30x = 32,279,888,879,079,824
  5. Step 5: Solve for x
    x = 32,279,888,879,079,824/161,758,668.30
  6. Step 6: Final answer
    x = 199,555,852.05

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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.