Home / 57,477,857.22-86,230,512.90-19,139,703.48

Finding the Fourth Proportional to 57,477,857.22, 86,230,512.90 and 19,139,703.48

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Solution

The fourth proportional to 57,477,857.22, 86,230,512.90 and 19,139,703.48 is: 28,714,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,477,857.22 : 86,230,512.90 = 19,139,703.48 : x
  2. Step 2: Convert to fraction form
    57,477,857.22/86,230,512.90 = 19,139,703.48/x
  3. Step 3: Cross multiply
    57,477,857.22x = 86,230,512.90 × 19,139,703.48
  4. Step 4: Simplify right side
    57,477,857.22x = 1,650,426,447,834,315
  5. Step 5: Solve for x
    x = 1,650,426,447,834,315/57,477,857.22
  6. Step 6: Final answer
    x = 28,714,126.23

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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.