Home / 162,009,060.75-223,573,093.11-87,669,613.80

Finding the Fourth Proportional to 162,009,060.75, 223,573,093.11 and 87,669,613.80

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Solution

The fourth proportional to 162,009,060.75, 223,573,093.11 and 87,669,613.80 is: 120,984,385.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,009,060.75 : 223,573,093.11 = 87,669,613.80 : x
  2. Step 2: Convert to fraction form
    162,009,060.75/223,573,093.11 = 87,669,613.80/x
  3. Step 3: Cross multiply
    162,009,060.75x = 223,573,093.11 × 87,669,613.80
  4. Step 4: Simplify right side
    162,009,060.75x = 19,600,566,729,025,140
  5. Step 5: Solve for x
    x = 19,600,566,729,025,140/162,009,060.75
  6. Step 6: Final answer
    x = 120,984,385.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.