Home / 100,992,005.20-151,488,007.80-57,993,835.60

Finding the Fourth Proportional to 100,992,005.20, 151,488,007.80 and 57,993,835.60

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Solution

The fourth proportional to 100,992,005.20, 151,488,007.80 and 57,993,835.60 is: 86,990,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,992,005.20 : 151,488,007.80 = 57,993,835.60 : x
  2. Step 2: Convert to fraction form
    100,992,005.20/151,488,007.80 = 57,993,835.60/x
  3. Step 3: Cross multiply
    100,992,005.20x = 151,488,007.80 × 57,993,835.60
  4. Step 4: Simplify right side
    100,992,005.20x = 8,785,370,619,724,719
  5. Step 5: Solve for x
    x = 8,785,370,619,724,719/100,992,005.20
  6. Step 6: Final answer
    x = 86,990,753.40

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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.