Home / 137,979,329.04-206,968,993.74-56,079,018.90

Finding the Fourth Proportional to 137,979,329.04, 206,968,993.74 and 56,079,018.90

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Solution

The fourth proportional to 137,979,329.04, 206,968,993.74 and 56,079,018.90 is: 84,118,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,979,329.04 : 206,968,993.74 = 56,079,018.90 : x
  2. Step 2: Convert to fraction form
    137,979,329.04/206,968,993.74 = 56,079,018.90/x
  3. Step 3: Cross multiply
    137,979,329.04x = 206,968,993.74 × 56,079,018.90
  4. Step 4: Simplify right side
    137,979,329.04x = 11,606,618,111,659,442
  5. Step 5: Solve for x
    x = 11,606,618,111,659,442/137,979,329.04
  6. Step 6: Final answer
    x = 84,118,528.42

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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.