Home / 108,753,618.80-163,219,657.80-107,903,313.20

Finding the Fourth Proportional to 108,753,618.80, 163,219,657.80 and 107,903,313.20

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Solution

The fourth proportional to 108,753,618.80, 163,219,657.80 and 107,903,313.20 is: 161,943,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,753,618.80 : 163,219,657.80 = 107,903,313.20 : x
  2. Step 2: Convert to fraction form
    108,753,618.80/163,219,657.80 = 107,903,313.20/x
  3. Step 3: Cross multiply
    108,753,618.80x = 163,219,657.80 × 107,903,313.20
  4. Step 4: Simplify right side
    108,753,618.80x = 17,611,941,855,990,224
  5. Step 5: Solve for x
    x = 17,611,941,855,990,224/108,753,618.80
  6. Step 6: Final answer
    x = 161,943,501.75

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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.