Home / 85,405,848-127,787,340.96-59,896,651.20

Finding the Fourth Proportional to 85,405,848, 127,787,340.96 and 59,896,651.20

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Solution

The fourth proportional to 85,405,848, 127,787,340.96 and 59,896,651.20 is: 89,619,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,405,848 : 127,787,340.96 = 59,896,651.20 : x
  2. Step 2: Convert to fraction form
    85,405,848/127,787,340.96 = 59,896,651.20/x
  3. Step 3: Cross multiply
    85,405,848x = 127,787,340.96 × 59,896,651.20
  4. Step 4: Simplify right side
    85,405,848x = 7,654,033,789,256,593
  5. Step 5: Solve for x
    x = 7,654,033,789,256,593/85,405,848
  6. Step 6: Final answer
    x = 89,619,551.45

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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.