Home / 110,988,000.30-166,482,000.45-109,074,812.70

Finding the Fourth Proportional to 110,988,000.30, 166,482,000.45 and 109,074,812.70

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Solution

The fourth proportional to 110,988,000.30, 166,482,000.45 and 109,074,812.70 is: 163,612,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,988,000.30 : 166,482,000.45 = 109,074,812.70 : x
  2. Step 2: Convert to fraction form
    110,988,000.30/166,482,000.45 = 109,074,812.70/x
  3. Step 3: Cross multiply
    110,988,000.30x = 166,482,000.45 × 109,074,812.70
  4. Step 4: Simplify right side
    110,988,000.30x = 18,158,993,017,005,064
  5. Step 5: Solve for x
    x = 18,158,993,017,005,064/110,988,000.30
  6. Step 6: Final answer
    x = 163,612,219.05

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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.