Home / 56,657,688.30-84,986,532.45-39,438,999.90

Finding the Fourth Proportional to 56,657,688.30, 84,986,532.45 and 39,438,999.90

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Solution

The fourth proportional to 56,657,688.30, 84,986,532.45 and 39,438,999.90 is: 59,158,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657,688.30 : 84,986,532.45 = 39,438,999.90 : x
  2. Step 2: Convert to fraction form
    56,657,688.30/84,986,532.45 = 39,438,999.90/x
  3. Step 3: Cross multiply
    56,657,688.30x = 84,986,532.45 × 39,438,999.90
  4. Step 4: Simplify right side
    56,657,688.30x = 3,351,783,844,796,896.50
  5. Step 5: Solve for x
    x = 3,351,783,844,796,896.50/56,657,688.30
  6. Step 6: Final answer
    x = 59,158,499.85

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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.