Home / 139,480,317.27-192,478,007.78-76,750,549.04

Finding the Fourth Proportional to 139,480,317.27, 192,478,007.78 and 76,750,549.04

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Solution

The fourth proportional to 139,480,317.27, 192,478,007.78 and 76,750,549.04 is: 105,913,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,480,317.27 : 192,478,007.78 = 76,750,549.04 : x
  2. Step 2: Convert to fraction form
    139,480,317.27/192,478,007.78 = 76,750,549.04/x
  3. Step 3: Cross multiply
    139,480,317.27x = 192,478,007.78 × 76,750,549.04
  4. Step 4: Simplify right side
    139,480,317.27x = 14,772,792,775,240,392
  5. Step 5: Solve for x
    x = 14,772,792,775,240,392/139,480,317.27
  6. Step 6: Final answer
    x = 105,913,099.89

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1.5x scale

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.