Home / 120,852,511.80-181,278,767.70-104,413,270.20

Finding the Fourth Proportional to 120,852,511.80, 181,278,767.70 and 104,413,270.20

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Solution

The fourth proportional to 120,852,511.80, 181,278,767.70 and 104,413,270.20 is: 156,619,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852,511.80 : 181,278,767.70 = 104,413,270.20 : x
  2. Step 2: Convert to fraction form
    120,852,511.80/181,278,767.70 = 104,413,270.20/x
  3. Step 3: Cross multiply
    120,852,511.80x = 181,278,767.70 × 104,413,270.20
  4. Step 4: Simplify right side
    120,852,511.80x = 18,927,908,953,383,132
  5. Step 5: Solve for x
    x = 18,927,908,953,383,132/120,852,511.80
  6. Step 6: Final answer
    x = 156,619,905.30

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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.