Home / 53,144,443.40-79,716,665.10-19,069,233.80

Finding the Fourth Proportional to 53,144,443.40, 79,716,665.10 and 19,069,233.80

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Solution

The fourth proportional to 53,144,443.40, 79,716,665.10 and 19,069,233.80 is: 28,603,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144,443.40 : 79,716,665.10 = 19,069,233.80 : x
  2. Step 2: Convert to fraction form
    53,144,443.40/79,716,665.10 = 19,069,233.80/x
  3. Step 3: Cross multiply
    53,144,443.40x = 79,716,665.10 × 19,069,233.80
  4. Step 4: Simplify right side
    53,144,443.40x = 1,520,135,724,548,200.25
  5. Step 5: Solve for x
    x = 1,520,135,724,548,200.25/53,144,443.40
  6. Step 6: Final answer
    x = 28,603,850.70

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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.