Home / 53,242,056.25-79,871,908.92-18,689,492.77

Finding the Fourth Proportional to 53,242,056.25, 79,871,908.92 and 18,689,492.77

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Solution

The fourth proportional to 53,242,056.25, 79,871,908.92 and 18,689,492.77 is: 28,037,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,056.25 : 79,871,908.92 = 18,689,492.77 : x
  2. Step 2: Convert to fraction form
    53,242,056.25/79,871,908.92 = 18,689,492.77/x
  3. Step 3: Cross multiply
    53,242,056.25x = 79,871,908.92 × 18,689,492.77
  4. Step 4: Simplify right side
    53,242,056.25x = 1,492,765,464,286,438.50
  5. Step 5: Solve for x
    x = 1,492,765,464,286,438.50/53,242,056.25
  6. Step 6: Final answer
    x = 28,037,336.82

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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.