Home / 65,361,998.40-90,197,925.60-35,993,096.64

Finding the Fourth Proportional to 65,361,998.40, 90,197,925.60 and 35,993,096.64

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Solution

The fourth proportional to 65,361,998.40, 90,197,925.60 and 35,993,096.64 is: 49,669,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,361,998.40 : 90,197,925.60 = 35,993,096.64 : x
  2. Step 2: Convert to fraction form
    65,361,998.40/90,197,925.60 = 35,993,096.64/x
  3. Step 3: Cross multiply
    65,361,998.40x = 90,197,925.60 × 35,993,096.64
  4. Step 4: Simplify right side
    65,361,998.40x = 3,246,502,652,848,330
  5. Step 5: Solve for x
    x = 3,246,502,652,848,330/65,361,998.40
  6. Step 6: Final answer
    x = 49,669,574.56

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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.