Home / 127,543,622.80-191,315,434.20-102,034,454.80

Finding the Fourth Proportional to 127,543,622.80, 191,315,434.20 and 102,034,454.80

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Solution

The fourth proportional to 127,543,622.80, 191,315,434.20 and 102,034,454.80 is: 153,051,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,543,622.80 : 191,315,434.20 = 102,034,454.80 : x
  2. Step 2: Convert to fraction form
    127,543,622.80/191,315,434.20 = 102,034,454.80/x
  3. Step 3: Cross multiply
    127,543,622.80x = 191,315,434.20 × 102,034,454.80
  4. Step 4: Simplify right side
    127,543,622.80x = 19,520,766,023,422,272
  5. Step 5: Solve for x
    x = 19,520,766,023,422,272/127,543,622.80
  6. Step 6: Final answer
    x = 153,051,682.20

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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.