Home / 207,776,111.10-311,664,166.65-54,437,667.90

Finding the Fourth Proportional to 207,776,111.10, 311,664,166.65 and 54,437,667.90

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Solution

The fourth proportional to 207,776,111.10, 311,664,166.65 and 54,437,667.90 is: 81,656,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,776,111.10 : 311,664,166.65 = 54,437,667.90 : x
  2. Step 2: Convert to fraction form
    207,776,111.10/311,664,166.65 = 54,437,667.90/x
  3. Step 3: Cross multiply
    207,776,111.10x = 311,664,166.65 × 54,437,667.90
  4. Step 4: Simplify right side
    207,776,111.10x = 16,966,270,400,422,954
  5. Step 5: Solve for x
    x = 16,966,270,400,422,954/207,776,111.10
  6. Step 6: Final answer
    x = 81,656,501.85

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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.