Home / 52,421,347.40-78,632,021.10-37,115,846.60

Finding the Fourth Proportional to 52,421,347.40, 78,632,021.10 and 37,115,846.60

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Solution

The fourth proportional to 52,421,347.40, 78,632,021.10 and 37,115,846.60 is: 55,673,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,421,347.40 : 78,632,021.10 = 37,115,846.60 : x
  2. Step 2: Convert to fraction form
    52,421,347.40/78,632,021.10 = 37,115,846.60/x
  3. Step 3: Cross multiply
    52,421,347.40x = 78,632,021.10 × 37,115,846.60
  4. Step 4: Simplify right side
    52,421,347.40x = 2,918,494,032,995,563
  5. Step 5: Solve for x
    x = 2,918,494,032,995,563/52,421,347.40
  6. Step 6: Final answer
    x = 55,673,769.90

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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.