Home / 46,624,042.40-69,936,063.60-45,728,247.20

Finding the Fourth Proportional to 46,624,042.40, 69,936,063.60 and 45,728,247.20

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Solution

The fourth proportional to 46,624,042.40, 69,936,063.60 and 45,728,247.20 is: 68,592,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,624,042.40 : 69,936,063.60 = 45,728,247.20 : x
  2. Step 2: Convert to fraction form
    46,624,042.40/69,936,063.60 = 45,728,247.20/x
  3. Step 3: Cross multiply
    46,624,042.40x = 69,936,063.60 × 45,728,247.20
  4. Step 4: Simplify right side
    46,624,042.40x = 3,198,053,604,495,722
  5. Step 5: Solve for x
    x = 3,198,053,604,495,722/46,624,042.40
  6. Step 6: Final answer
    x = 68,592,370.80

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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.