Home / 53,312,173.92-79,997,769-26,018,692.78

Finding the Fourth Proportional to 53,312,173.92, 79,997,769 and 26,018,692.78

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Solution

The fourth proportional to 53,312,173.92, 79,997,769 and 26,018,692.78 is: 39,042,440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,312,173.92 : 79,997,769 = 26,018,692.78 : x
  2. Step 2: Convert to fraction form
    53,312,173.92/79,997,769 = 26,018,692.78/x
  3. Step 3: Cross multiply
    53,312,173.92x = 79,997,769 × 26,018,692.78
  4. Step 4: Simplify right side
    53,312,173.92x = 2,081,437,374,696,408
  5. Step 5: Solve for x
    x = 2,081,437,374,696,408/53,312,173.92
  6. Step 6: Final answer
    x = 39,042,440.43

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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.