Home / 53,242,083.14-79,871,949.24-18,689,519.76

Finding the Fourth Proportional to 53,242,083.14, 79,871,949.24 and 18,689,519.76

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Solution

The fourth proportional to 53,242,083.14, 79,871,949.24 and 18,689,519.76 is: 28,037,377.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,083.14 : 79,871,949.24 = 18,689,519.76 : x
  2. Step 2: Convert to fraction form
    53,242,083.14/79,871,949.24 = 18,689,519.76/x
  3. Step 3: Cross multiply
    53,242,083.14x = 79,871,949.24 × 18,689,519.76
  4. Step 4: Simplify right side
    53,242,083.14x = 1,492,768,373,590,697
  5. Step 5: Solve for x
    x = 1,492,768,373,590,697/53,242,083.14
  6. Step 6: Final answer
    x = 28,037,377.31

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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.