Home / 108,872,904.30-163,309,356.45-72,593,198.70

Finding the Fourth Proportional to 108,872,904.30, 163,309,356.45 and 72,593,198.70

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Solution

The fourth proportional to 108,872,904.30, 163,309,356.45 and 72,593,198.70 is: 108,889,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,904.30 : 163,309,356.45 = 72,593,198.70 : x
  2. Step 2: Convert to fraction form
    108,872,904.30/163,309,356.45 = 72,593,198.70/x
  3. Step 3: Cross multiply
    108,872,904.30x = 163,309,356.45 × 72,593,198.70
  4. Step 4: Simplify right side
    108,872,904.30x = 11,855,148,562,343,976
  5. Step 5: Solve for x
    x = 11,855,148,562,343,976/108,872,904.30
  6. Step 6: Final answer
    x = 108,889,798.05

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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.