Home / 108,867,007.80-163,300,511.70-100,552,908.60

Finding the Fourth Proportional to 108,867,007.80, 163,300,511.70 and 100,552,908.60

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Solution

The fourth proportional to 108,867,007.80, 163,300,511.70 and 100,552,908.60 is: 150,829,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,007.80 : 163,300,511.70 = 100,552,908.60 : x
  2. Step 2: Convert to fraction form
    108,867,007.80/163,300,511.70 = 100,552,908.60/x
  3. Step 3: Cross multiply
    108,867,007.80x = 163,300,511.70 × 100,552,908.60
  4. Step 4: Simplify right side
    108,867,007.80x = 16,420,341,427,303,328
  5. Step 5: Solve for x
    x = 16,420,341,427,303,328/108,867,007.80
  6. Step 6: Final answer
    x = 150,829,362.90

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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.