Home / 53,242,084.14-79,871,950.74-18,689,520.76

Finding the Fourth Proportional to 53,242,084.14, 79,871,950.74 and 18,689,520.76

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Solution

The fourth proportional to 53,242,084.14, 79,871,950.74 and 18,689,520.76 is: 28,037,378.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,084.14 : 79,871,950.74 = 18,689,520.76 : x
  2. Step 2: Convert to fraction form
    53,242,084.14/79,871,950.74 = 18,689,520.76/x
  3. Step 3: Cross multiply
    53,242,084.14x = 79,871,950.74 × 18,689,520.76
  4. Step 4: Simplify right side
    53,242,084.14x = 1,492,768,481,496,927.50
  5. Step 5: Solve for x
    x = 1,492,768,481,496,927.50/53,242,084.14
  6. Step 6: Final answer
    x = 28,037,378.81

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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.