Home / 154,593,950.40-231,890,925.60-139,288,449.60

Finding the Fourth Proportional to 154,593,950.40, 231,890,925.60 and 139,288,449.60

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Solution

The fourth proportional to 154,593,950.40, 231,890,925.60 and 139,288,449.60 is: 208,932,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,593,950.40 : 231,890,925.60 = 139,288,449.60 : x
  2. Step 2: Convert to fraction form
    154,593,950.40/231,890,925.60 = 139,288,449.60/x
  3. Step 3: Cross multiply
    154,593,950.40x = 231,890,925.60 × 139,288,449.60
  4. Step 4: Simplify right side
    154,593,950.40x = 32,299,727,503,132,948
  5. Step 5: Solve for x
    x = 32,299,727,503,132,948/154,593,950.40
  6. Step 6: Final answer
    x = 208,932,674.40

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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.