Home / 371,567,131.17-557,568,032.24-138,558,817.62

Finding the Fourth Proportional to 371,567,131.17, 557,568,032.24 and 138,558,817.62

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Solution

The fourth proportional to 371,567,131.17, 557,568,032.24 and 138,558,817.62 is: 207,919,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,567,131.17 : 557,568,032.24 = 138,558,817.62 : x
  2. Step 2: Convert to fraction form
    371,567,131.17/557,568,032.24 = 138,558,817.62/x
  3. Step 3: Cross multiply
    371,567,131.17x = 557,568,032.24 × 138,558,817.62
  4. Step 4: Simplify right side
    371,567,131.17x = 77,255,967,291,064,352
  5. Step 5: Solve for x
    x = 77,255,967,291,064,352/371,567,131.17
  6. Step 6: Final answer
    x = 207,919,271.68

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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.