Home / 245,902,720.62-339,346,085.13-141,478,697.55

Finding the Fourth Proportional to 245,902,720.62, 339,346,085.13 and 141,478,697.55

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Solution

The fourth proportional to 245,902,720.62, 339,346,085.13 and 141,478,697.55 is: 195,240,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,902,720.62 : 339,346,085.13 = 141,478,697.55 : x
  2. Step 2: Convert to fraction form
    245,902,720.62/339,346,085.13 = 141,478,697.55/x
  3. Step 3: Cross multiply
    245,902,720.62x = 339,346,085.13 × 141,478,697.55
  4. Step 4: Simplify right side
    245,902,720.62x = 48,010,242,142,883,824
  5. Step 5: Solve for x
    x = 48,010,242,142,883,824/245,902,720.62
  6. Step 6: Final answer
    x = 195,240,792.87

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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.