Home / 127,430,195.80-191,192,532.90-50,808,213.40

Finding the Fourth Proportional to 127,430,195.80, 191,192,532.90 and 50,808,213.40

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Solution

The fourth proportional to 127,430,195.80, 191,192,532.90 and 50,808,213.40 is: 76,231,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,430,195.80 : 191,192,532.90 = 50,808,213.40 : x
  2. Step 2: Convert to fraction form
    127,430,195.80/191,192,532.90 = 50,808,213.40/x
  3. Step 3: Cross multiply
    127,430,195.80x = 191,192,532.90 × 50,808,213.40
  4. Step 4: Simplify right side
    127,430,195.80x = 9,714,151,012,069,720
  5. Step 5: Solve for x
    x = 9,714,151,012,069,720/127,430,195.80
  6. Step 6: Final answer
    x = 76,231,155.03

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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.