Home / 100,922,980.60-139,273,768.92-54,513,234.46

Finding the Fourth Proportional to 100,922,980.60, 139,273,768.92 and 54,513,234.46

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Solution

The fourth proportional to 100,922,980.60, 139,273,768.92 and 54,513,234.46 is: 75,228,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,922,980.60 : 139,273,768.92 = 54,513,234.46 : x
  2. Step 2: Convert to fraction form
    100,922,980.60/139,273,768.92 = 54,513,234.46/x
  3. Step 3: Cross multiply
    100,922,980.60x = 139,273,768.92 × 54,513,234.46
  4. Step 4: Simplify right side
    100,922,980.60x = 7,592,263,619,263,820
  5. Step 5: Solve for x
    x = 7,592,263,619,263,820/100,922,980.60
  6. Step 6: Final answer
    x = 75,228,293.64

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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.