Home / 99,870,729.60-149,810,241.60-31,711,497.60

Finding the Fourth Proportional to 99,870,729.60, 149,810,241.60 and 31,711,497.60

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Solution

The fourth proportional to 99,870,729.60, 149,810,241.60 and 31,711,497.60 is: 47,568,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,729.60 : 149,810,241.60 = 31,711,497.60 : x
  2. Step 2: Convert to fraction form
    99,870,729.60/149,810,241.60 = 31,711,497.60/x
  3. Step 3: Cross multiply
    99,870,729.60x = 149,810,241.60 × 31,711,497.60
  4. Step 4: Simplify right side
    99,870,729.60x = 4,750,707,116,953,820
  5. Step 5: Solve for x
    x = 4,750,707,116,953,820/99,870,729.60
  6. Step 6: Final answer
    x = 47,568,563.24

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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.