Home / 76,796,903.02-105,979,736.19-41,989,617.58

Finding the Fourth Proportional to 76,796,903.02, 105,979,736.19 and 41,989,617.58

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Solution

The fourth proportional to 76,796,903.02, 105,979,736.19 and 41,989,617.58 is: 57,945,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,796,903.02 : 105,979,736.19 = 41,989,617.58 : x
  2. Step 2: Convert to fraction form
    76,796,903.02/105,979,736.19 = 41,989,617.58/x
  3. Step 3: Cross multiply
    76,796,903.02x = 105,979,736.19 × 41,989,617.58
  4. Step 4: Simplify right side
    76,796,903.02x = 4,450,048,593,847,386
  5. Step 5: Solve for x
    x = 4,450,048,593,847,386/76,796,903.02
  6. Step 6: Final answer
    x = 57,945,677.74

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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.