Home / 262,169,638.48-393,305,191.80-100,599,011.92

Finding the Fourth Proportional to 262,169,638.48, 393,305,191.80 and 100,599,011.92

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Solution

The fourth proportional to 262,169,638.48, 393,305,191.80 and 100,599,011.92 is: 150,917,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,169,638.48 : 393,305,191.80 = 100,599,011.92 : x
  2. Step 2: Convert to fraction form
    262,169,638.48/393,305,191.80 = 100,599,011.92/x
  3. Step 3: Cross multiply
    262,169,638.48x = 393,305,191.80 × 100,599,011.92
  4. Step 4: Simplify right side
    262,169,638.48x = 39,566,113,678,086,088
  5. Step 5: Solve for x
    x = 39,566,113,678,086,088/262,169,638.48
  6. Step 6: Final answer
    x = 150,917,985.42

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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.