Home / 90,311,355.13-124,633,096.02-50,619,619.48

Finding the Fourth Proportional to 90,311,355.13, 124,633,096.02 and 50,619,619.48

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Solution

The fourth proportional to 90,311,355.13, 124,633,096.02 and 50,619,619.48 is: 69,856,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,311,355.13 : 124,633,096.02 = 50,619,619.48 : x
  2. Step 2: Convert to fraction form
    90,311,355.13/124,633,096.02 = 50,619,619.48/x
  3. Step 3: Cross multiply
    90,311,355.13x = 124,633,096.02 × 50,619,619.48
  4. Step 4: Simplify right side
    90,311,355.13x = 6,308,879,895,146,702
  5. Step 5: Solve for x
    x = 6,308,879,895,146,702/90,311,355.13
  6. Step 6: Final answer
    x = 69,856,995.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.