Home / 125,312,473.44-172,942,156.08-73,118,324.16

Finding the Fourth Proportional to 125,312,473.44, 172,942,156.08 and 73,118,324.16

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Solution

The fourth proportional to 125,312,473.44, 172,942,156.08 and 73,118,324.16 is: 100,909,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,312,473.44 : 172,942,156.08 = 73,118,324.16 : x
  2. Step 2: Convert to fraction form
    125,312,473.44/172,942,156.08 = 73,118,324.16/x
  3. Step 3: Cross multiply
    125,312,473.44x = 172,942,156.08 × 73,118,324.16
  4. Step 4: Simplify right side
    125,312,473.44x = 12,645,240,629,186,756
  5. Step 5: Solve for x
    x = 12,645,240,629,186,756/125,312,473.44
  6. Step 6: Final answer
    x = 100,909,672.29

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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.