Home / 132,326,931.60-198,702,973.80-100,015,318.80

Finding the Fourth Proportional to 132,326,931.60, 198,702,973.80 and 100,015,318.80

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Solution

The fourth proportional to 132,326,931.60, 198,702,973.80 and 100,015,318.80 is: 150,183,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326,931.60 : 198,702,973.80 = 100,015,318.80 : x
  2. Step 2: Convert to fraction form
    132,326,931.60/198,702,973.80 = 100,015,318.80/x
  3. Step 3: Cross multiply
    132,326,931.60x = 198,702,973.80 × 100,015,318.80
  4. Step 4: Simplify right side
    132,326,931.60x = 19,873,341,271,115,048
  5. Step 5: Solve for x
    x = 19,873,341,271,115,048/132,326,931.60
  6. Step 6: Final answer
    x = 150,183,647.66

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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.