Home / 320,436,562.20-480,626,849.70-105,025,810.20

Finding the Fourth Proportional to 320,436,562.20, 480,626,849.70 and 105,025,810.20

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Solution

The fourth proportional to 320,436,562.20, 480,626,849.70 and 105,025,810.20 is: 157,529,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,436,562.20 : 480,626,849.70 = 105,025,810.20 : x
  2. Step 2: Convert to fraction form
    320,436,562.20/480,626,849.70 = 105,025,810.20/x
  3. Step 3: Cross multiply
    320,436,562.20x = 480,626,849.70 × 105,025,810.20
  4. Step 4: Simplify right side
    320,436,562.20x = 50,478,224,293,616,128
  5. Step 5: Solve for x
    x = 50,478,224,293,616,128/320,436,562.20
  6. Step 6: Final answer
    x = 157,529,540.16

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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.