Home / 120,859,627.80-181,289,441.70-104,420,386.20

Finding the Fourth Proportional to 120,859,627.80, 181,289,441.70 and 104,420,386.20

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Solution

The fourth proportional to 120,859,627.80, 181,289,441.70 and 104,420,386.20 is: 156,630,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,859,627.80 : 181,289,441.70 = 104,420,386.20 : x
  2. Step 2: Convert to fraction form
    120,859,627.80/181,289,441.70 = 104,420,386.20/x
  3. Step 3: Cross multiply
    120,859,627.80x = 181,289,441.70 × 104,420,386.20
  4. Step 4: Simplify right side
    120,859,627.80x = 18,930,313,516,296,384
  5. Step 5: Solve for x
    x = 18,930,313,516,296,384/120,859,627.80
  6. Step 6: Final answer
    x = 156,630,579.30

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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.