Home / 148,574,582.28-205,030,049.58-82,491,665.40

Finding the Fourth Proportional to 148,574,582.28, 205,030,049.58 and 82,491,665.40

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Solution

The fourth proportional to 148,574,582.28, 205,030,049.58 and 82,491,665.40 is: 113,836,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,574,582.28 : 205,030,049.58 = 82,491,665.40 : x
  2. Step 2: Convert to fraction form
    148,574,582.28/205,030,049.58 = 82,491,665.40/x
  3. Step 3: Cross multiply
    148,574,582.28x = 205,030,049.58 × 82,491,665.40
  4. Step 4: Simplify right side
    148,574,582.28x = 16,913,270,246,898,772
  5. Step 5: Solve for x
    x = 16,913,270,246,898,772/148,574,582.28
  6. Step 6: Final answer
    x = 113,836,902.57

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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.