Home / 42,452,046.12-63,671,848.38-20,880,857.64

Finding the Fourth Proportional to 42,452,046.12, 63,671,848.38 and 20,880,857.64

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Solution

The fourth proportional to 42,452,046.12, 63,671,848.38 and 20,880,857.64 is: 31,318,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,452,046.12 : 63,671,848.38 = 20,880,857.64 : x
  2. Step 2: Convert to fraction form
    42,452,046.12/63,671,848.38 = 20,880,857.64/x
  3. Step 3: Cross multiply
    42,452,046.12x = 63,671,848.38 × 20,880,857.64
  4. Step 4: Simplify right side
    42,452,046.12x = 1,329,522,801,698,444.75
  5. Step 5: Solve for x
    x = 1,329,522,801,698,444.75/42,452,046.12
  6. Step 6: Final answer
    x = 31,318,226.64

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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.