Home / 162,003,239.79-223,565,063.37-87,663,801.04

Finding the Fourth Proportional to 162,003,239.79, 223,565,063.37 and 87,663,801.04

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Solution

The fourth proportional to 162,003,239.79, 223,565,063.37 and 87,663,801.04 is: 120,976,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,239.79 : 223,565,063.37 = 87,663,801.04 : x
  2. Step 2: Convert to fraction form
    162,003,239.79/223,565,063.37 = 87,663,801.04/x
  3. Step 3: Cross multiply
    162,003,239.79x = 223,565,063.37 × 87,663,801.04
  4. Step 4: Simplify right side
    162,003,239.79x = 19,598,563,234,762,672
  5. Step 5: Solve for x
    x = 19,598,563,234,762,672/162,003,239.79
  6. Step 6: Final answer
    x = 120,976,366.03

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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.