Home / 108,873,705.80-163,310,558.70-72,594,000.20

Finding the Fourth Proportional to 108,873,705.80, 163,310,558.70 and 72,594,000.20

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Solution

The fourth proportional to 108,873,705.80, 163,310,558.70 and 72,594,000.20 is: 108,891,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,705.80 : 163,310,558.70 = 72,594,000.20 : x
  2. Step 2: Convert to fraction form
    108,873,705.80/163,310,558.70 = 72,594,000.20/x
  3. Step 3: Cross multiply
    108,873,705.80x = 163,310,558.70 × 72,594,000.20
  4. Step 4: Simplify right side
    108,873,705.80x = 11,855,366,730,929,912
  5. Step 5: Solve for x
    x = 11,855,366,730,929,912/108,873,705.80
  6. Step 6: Final answer
    x = 108,891,000.30

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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.