Home / 353,940,193.69-530,911,969.88-108,296,436.72

Finding the Fourth Proportional to 353,940,193.69, 530,911,969.88 and 108,296,436.72

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Solution

The fourth proportional to 353,940,193.69, 530,911,969.88 and 108,296,436.72 is: 162,445,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,940,193.69 : 530,911,969.88 = 108,296,436.72 : x
  2. Step 2: Convert to fraction form
    353,940,193.69/530,911,969.88 = 108,296,436.72/x
  3. Step 3: Cross multiply
    353,940,193.69x = 530,911,969.88 × 108,296,436.72
  4. Step 4: Simplify right side
    353,940,193.69x = 57,495,874,549,999,968
  5. Step 5: Solve for x
    x = 57,495,874,549,999,968/353,940,193.69
  6. Step 6: Final answer
    x = 162,445,168.92

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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.