Home / 112,523,281.40-168,784,922.10-107,988,318.20

Finding the Fourth Proportional to 112,523,281.40, 168,784,922.10 and 107,988,318.20

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Solution

The fourth proportional to 112,523,281.40, 168,784,922.10 and 107,988,318.20 is: 161,982,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,281.40 : 168,784,922.10 = 107,988,318.20 : x
  2. Step 2: Convert to fraction form
    112,523,281.40/168,784,922.10 = 107,988,318.20/x
  3. Step 3: Cross multiply
    112,523,281.40x = 168,784,922.10 × 107,988,318.20
  4. Step 4: Simplify right side
    112,523,281.40x = 18,226,799,875,097,012
  5. Step 5: Solve for x
    x = 18,226,799,875,097,012/112,523,281.40
  6. Step 6: Final answer
    x = 161,982,477.30

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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.