Home / 345,482,508.43-518,223,762.63-115,451,593.07

Finding the Fourth Proportional to 345,482,508.43, 518,223,762.63 and 115,451,593.07

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Solution

The fourth proportional to 345,482,508.43, 518,223,762.63 and 115,451,593.07 is: 173,177,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,482,508.43 : 518,223,762.63 = 115,451,593.07 : x
  2. Step 2: Convert to fraction form
    345,482,508.43/518,223,762.63 = 115,451,593.07/x
  3. Step 3: Cross multiply
    345,482,508.43x = 518,223,762.63 × 115,451,593.07
  4. Step 4: Simplify right side
    345,482,508.43x = 59,829,758,963,658,592
  5. Step 5: Solve for x
    x = 59,829,758,963,658,592/345,482,508.43
  6. Step 6: Final answer
    x = 173,177,389.60

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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.