Home / 124,647,322.37-172,022,211.27-68,891,543.42

Finding the Fourth Proportional to 124,647,322.37, 172,022,211.27 and 68,891,543.42

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Solution

The fourth proportional to 124,647,322.37, 172,022,211.27 and 68,891,543.42 is: 95,075,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,647,322.37 : 172,022,211.27 = 68,891,543.42 : x
  2. Step 2: Convert to fraction form
    124,647,322.37/172,022,211.27 = 68,891,543.42/x
  3. Step 3: Cross multiply
    124,647,322.37x = 172,022,211.27 × 68,891,543.42
  4. Step 4: Simplify right side
    124,647,322.37x = 11,850,875,636,051,510
  5. Step 5: Solve for x
    x = 11,850,875,636,051,510/124,647,322.37
  6. Step 6: Final answer
    x = 95,075,252.41

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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.