Home / 109,156,699.80-163,735,049.70-107,721,809.10

Finding the Fourth Proportional to 109,156,699.80, 163,735,049.70 and 107,721,809.10

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Solution

The fourth proportional to 109,156,699.80, 163,735,049.70 and 107,721,809.10 is: 161,582,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,699.80 : 163,735,049.70 = 107,721,809.10 : x
  2. Step 2: Convert to fraction form
    109,156,699.80/163,735,049.70 = 107,721,809.10/x
  3. Step 3: Cross multiply
    109,156,699.80x = 163,735,049.70 × 107,721,809.10
  4. Step 4: Simplify right side
    109,156,699.80x = 17,637,835,766,762,410
  5. Step 5: Solve for x
    x = 17,637,835,766,762,410/109,156,699.80
  6. Step 6: Final answer
    x = 161,582,713.65

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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.