Home / 287,523,599.10-431,479,455.66-112,624,939.14

Finding the Fourth Proportional to 287,523,599.10, 431,479,455.66 and 112,624,939.14

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Solution

The fourth proportional to 287,523,599.10, 431,479,455.66 and 112,624,939.14 is: 169,013,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,523,599.10 : 431,479,455.66 = 112,624,939.14 : x
  2. Step 2: Convert to fraction form
    287,523,599.10/431,479,455.66 = 112,624,939.14/x
  3. Step 3: Cross multiply
    287,523,599.10x = 431,479,455.66 × 112,624,939.14
  4. Step 4: Simplify right side
    287,523,599.10x = 48,595,347,433,867,832
  5. Step 5: Solve for x
    x = 48,595,347,433,867,832/287,523,599.10
  6. Step 6: Final answer
    x = 169,013,422.15

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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.