Home / 108,889,298.20-163,333,947.30-84,230,435.80

Finding the Fourth Proportional to 108,889,298.20, 163,333,947.30 and 84,230,435.80

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Solution

The fourth proportional to 108,889,298.20, 163,333,947.30 and 84,230,435.80 is: 126,345,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,298.20 : 163,333,947.30 = 84,230,435.80 : x
  2. Step 2: Convert to fraction form
    108,889,298.20/163,333,947.30 = 84,230,435.80/x
  3. Step 3: Cross multiply
    108,889,298.20x = 163,333,947.30 × 84,230,435.80
  4. Step 4: Simplify right side
    108,889,298.20x = 13,757,689,562,013,234
  5. Step 5: Solve for x
    x = 13,757,689,562,013,234/108,889,298.20
  6. Step 6: Final answer
    x = 126,345,653.70

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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.