Home / 155,373,172.83-214,382,971.22-89,280,902.07

Finding the Fourth Proportional to 155,373,172.83, 214,382,971.22 and 89,280,902.07

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Solution

The fourth proportional to 155,373,172.83, 214,382,971.22 and 89,280,902.07 is: 123,189,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,373,172.83 : 214,382,971.22 = 89,280,902.07 : x
  2. Step 2: Convert to fraction form
    155,373,172.83/214,382,971.22 = 89,280,902.07/x
  3. Step 3: Cross multiply
    155,373,172.83x = 214,382,971.22 × 89,280,902.07
  4. Step 4: Simplify right side
    155,373,172.83x = 19,140,305,058,522,044
  5. Step 5: Solve for x
    x = 19,140,305,058,522,044/155,373,172.83
  6. Step 6: Final answer
    x = 123,189,252.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.