Home / 70,956,739.80-106,435,109.70-25,512,629.40

Finding the Fourth Proportional to 70,956,739.80, 106,435,109.70 and 25,512,629.40

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Solution

The fourth proportional to 70,956,739.80, 106,435,109.70 and 25,512,629.40 is: 38,268,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956,739.80 : 106,435,109.70 = 25,512,629.40 : x
  2. Step 2: Convert to fraction form
    70,956,739.80/106,435,109.70 = 25,512,629.40/x
  3. Step 3: Cross multiply
    70,956,739.80x = 106,435,109.70 × 25,512,629.40
  4. Step 4: Simplify right side
    70,956,739.80x = 2,715,439,508,924,445
  5. Step 5: Solve for x
    x = 2,715,439,508,924,445/70,956,739.80
  6. Step 6: Final answer
    x = 38,268,944.10

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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.