Home / 354,985,674.40-532,535,729.20-109,342,195.12

Finding the Fourth Proportional to 354,985,674.40, 532,535,729.20 and 109,342,195.12

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Solution

The fourth proportional to 354,985,674.40, 532,535,729.20 and 109,342,195.12 is: 164,030,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,985,674.40 : 532,535,729.20 = 109,342,195.12 : x
  2. Step 2: Convert to fraction form
    354,985,674.40/532,535,729.20 = 109,342,195.12/x
  3. Step 3: Cross multiply
    354,985,674.40x = 532,535,729.20 × 109,342,195.12
  4. Step 4: Simplify right side
    354,985,674.40x = 58,228,625,610,557,880
  5. Step 5: Solve for x
    x = 58,228,625,610,557,880/354,985,674.40
  6. Step 6: Final answer
    x = 164,030,916.77

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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.