Home / 154,809,794.94-213,637,552.23-85,195,175.82

Finding the Fourth Proportional to 154,809,794.94, 213,637,552.23 and 85,195,175.82

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Solution

The fourth proportional to 154,809,794.94, 213,637,552.23 and 85,195,175.82 is: 117,569,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,809,794.94 : 213,637,552.23 = 85,195,175.82 : x
  2. Step 2: Convert to fraction form
    154,809,794.94/213,637,552.23 = 85,195,175.82/x
  3. Step 3: Cross multiply
    154,809,794.94x = 213,637,552.23 × 85,195,175.82
  4. Step 4: Simplify right side
    154,809,794.94x = 18,200,888,823,989,280
  5. Step 5: Solve for x
    x = 18,200,888,823,989,280/154,809,794.94
  6. Step 6: Final answer
    x = 117,569,362.01

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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.