Home / 100,095,783.60-149,954,718.60-51,407,914.80

Finding the Fourth Proportional to 100,095,783.60, 149,954,718.60 and 51,407,914.80

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Solution

The fourth proportional to 100,095,783.60, 149,954,718.60 and 51,407,914.80 is: 77,014,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,095,783.60 : 149,954,718.60 = 51,407,914.80 : x
  2. Step 2: Convert to fraction form
    100,095,783.60/149,954,718.60 = 51,407,914.80/x
  3. Step 3: Cross multiply
    100,095,783.60x = 149,954,718.60 × 51,407,914.80
  4. Step 4: Simplify right side
    100,095,783.60x = 7,708,859,397,646,775
  5. Step 5: Solve for x
    x = 7,708,859,397,646,775/100,095,783.60
  6. Step 6: Final answer
    x = 77,014,826.40

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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.