Home / 201,011,490.10-301,517,235.15-71,765,038.90

Finding the Fourth Proportional to 201,011,490.10, 301,517,235.15 and 71,765,038.90

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Solution

The fourth proportional to 201,011,490.10, 301,517,235.15 and 71,765,038.90 is: 107,647,558.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,011,490.10 : 301,517,235.15 = 71,765,038.90 : x
  2. Step 2: Convert to fraction form
    201,011,490.10/301,517,235.15 = 71,765,038.90/x
  3. Step 3: Cross multiply
    201,011,490.10x = 301,517,235.15 × 71,765,038.90
  4. Step 4: Simplify right side
    201,011,490.10x = 21,638,396,109,560,196
  5. Step 5: Solve for x
    x = 21,638,396,109,560,196/201,011,490.10
  6. Step 6: Final answer
    x = 107,647,558.35

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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.