Home / 132,424,931.10-198,455,793.29-83,816,015.75

Finding the Fourth Proportional to 132,424,931.10, 198,455,793.29 and 83,816,015.75

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Solution

The fourth proportional to 132,424,931.10, 198,455,793.29 and 83,816,015.75 is: 125,609,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,424,931.10 : 198,455,793.29 = 83,816,015.75 : x
  2. Step 2: Convert to fraction form
    132,424,931.10/198,455,793.29 = 83,816,015.75/x
  3. Step 3: Cross multiply
    132,424,931.10x = 198,455,793.29 × 83,816,015.75
  4. Step 4: Simplify right side
    132,424,931.10x = 16,633,773,894,662,026
  5. Step 5: Solve for x
    x = 16,633,773,894,662,026/132,424,931.10
  6. Step 6: Final answer
    x = 125,609,080.98

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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.