Home / 52,507,400.70-78,761,101.05-45,429,512.70

Finding the Fourth Proportional to 52,507,400.70, 78,761,101.05 and 45,429,512.70

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Solution

The fourth proportional to 52,507,400.70, 78,761,101.05 and 45,429,512.70 is: 68,144,269.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507,400.70 : 78,761,101.05 = 45,429,512.70 : x
  2. Step 2: Convert to fraction form
    52,507,400.70/78,761,101.05 = 45,429,512.70/x
  3. Step 3: Cross multiply
    52,507,400.70x = 78,761,101.05 × 45,429,512.70
  4. Step 4: Simplify right side
    52,507,400.70x = 3,578,078,440,416,958.50
  5. Step 5: Solve for x
    x = 3,578,078,440,416,958.50/52,507,400.70
  6. Step 6: Final answer
    x = 68,144,269.05

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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.