Home / 57,768,078.60-86,631,122.70-19,430,843.40

Finding the Fourth Proportional to 57,768,078.60, 86,631,122.70 and 19,430,843.40

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Solution

The fourth proportional to 57,768,078.60, 86,631,122.70 and 19,430,843.40 is: 29,139,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768,078.60 : 86,631,122.70 = 19,430,843.40 : x
  2. Step 2: Convert to fraction form
    57,768,078.60/86,631,122.70 = 19,430,843.40/x
  3. Step 3: Cross multiply
    57,768,078.60x = 86,631,122.70 × 19,430,843.40
  4. Step 4: Simplify right side
    57,768,078.60x = 1,683,315,778,749,885
  5. Step 5: Solve for x
    x = 1,683,315,778,749,885/57,768,078.60
  6. Step 6: Final answer
    x = 29,139,203.16

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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.