Home / 57,477,874.72-86,230,539.16-19,139,721

Finding the Fourth Proportional to 57,477,874.72, 86,230,539.16 and 19,139,721

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Solution

The fourth proportional to 57,477,874.72, 86,230,539.16 and 19,139,721 is: 28,714,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,477,874.72 : 86,230,539.16 = 19,139,721 : x
  2. Step 2: Convert to fraction form
    57,477,874.72/86,230,539.16 = 19,139,721/x
  3. Step 3: Cross multiply
    57,477,874.72x = 86,230,539.16 × 19,139,721
  4. Step 4: Simplify right side
    57,477,874.72x = 1,650,428,461,201,974.25
  5. Step 5: Solve for x
    x = 1,650,428,461,201,974.25/57,477,874.72
  6. Step 6: Final answer
    x = 28,714,152.52

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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.