Home / 114,624,205.90-171,936,308.85-78,344,500.30

Finding the Fourth Proportional to 114,624,205.90, 171,936,308.85 and 78,344,500.30

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Solution

The fourth proportional to 114,624,205.90, 171,936,308.85 and 78,344,500.30 is: 117,516,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,624,205.90 : 171,936,308.85 = 78,344,500.30 : x
  2. Step 2: Convert to fraction form
    114,624,205.90/171,936,308.85 = 78,344,500.30/x
  3. Step 3: Cross multiply
    114,624,205.90x = 171,936,308.85 × 78,344,500.30
  4. Step 4: Simplify right side
    114,624,205.90x = 13,470,264,200,279,716
  5. Step 5: Solve for x
    x = 13,470,264,200,279,716/114,624,205.90
  6. Step 6: Final answer
    x = 117,516,750.45

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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.