Home / 288,216,961.69-432,260,610.67-132,621,518.29

Finding the Fourth Proportional to 288,216,961.69, 432,260,610.67 and 132,621,518.29

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Solution

The fourth proportional to 288,216,961.69, 432,260,610.67 and 132,621,518.29 is: 198,902,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,216,961.69 : 432,260,610.67 = 132,621,518.29 : x
  2. Step 2: Convert to fraction form
    288,216,961.69/432,260,610.67 = 132,621,518.29/x
  3. Step 3: Cross multiply
    288,216,961.69x = 432,260,610.67 × 132,621,518.29
  4. Step 4: Simplify right side
    288,216,961.69x = 57,327,058,484,017,976
  5. Step 5: Solve for x
    x = 57,327,058,484,017,976/288,216,961.69
  6. Step 6: Final answer
    x = 198,902,445.39

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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.