Home / 320,436,561.20-480,626,848.20-105,025,809.20

Finding the Fourth Proportional to 320,436,561.20, 480,626,848.20 and 105,025,809.20

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Solution

The fourth proportional to 320,436,561.20, 480,626,848.20 and 105,025,809.20 is: 157,529,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436,561.20 : 480,626,848.20 = 105,025,809.20 : x
  2. Step 2: Convert to fraction form
    320,436,561.20/480,626,848.20 = 105,025,809.20/x
  3. Step 3: Cross multiply
    320,436,561.20x = 480,626,848.20 × 105,025,809.20
  4. Step 4: Simplify right side
    320,436,561.20x = 50,478,223,655,450,560
  5. Step 5: Solve for x
    x = 50,478,223,655,450,560/320,436,561.20
  6. Step 6: Final answer
    x = 157,529,538.66

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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.