Home / 353,940,189.38-530,911,963.40-108,296,432.40

Finding the Fourth Proportional to 353,940,189.38, 530,911,963.40 and 108,296,432.40

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Solution

The fourth proportional to 353,940,189.38, 530,911,963.40 and 108,296,432.40 is: 162,445,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,940,189.38 : 530,911,963.40 = 108,296,432.40 : x
  2. Step 2: Convert to fraction form
    353,940,189.38/530,911,963.40 = 108,296,432.40/x
  3. Step 3: Cross multiply
    353,940,189.38x = 530,911,963.40 × 108,296,432.40
  4. Step 4: Simplify right side
    353,940,189.38x = 57,495,871,554,699,376
  5. Step 5: Solve for x
    x = 57,495,871,554,699,376/353,940,189.38
  6. Step 6: Final answer
    x = 162,445,162.43

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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.