Home / 127,120,554.86-190,682,603.76-36,244,143.86

Finding the Fourth Proportional to 127,120,554.86, 190,682,603.76 and 36,244,143.86

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Solution

The fourth proportional to 127,120,554.86, 190,682,603.76 and 36,244,143.86 is: 54,366,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,120,554.86 : 190,682,603.76 = 36,244,143.86 : x
  2. Step 2: Convert to fraction form
    127,120,554.86/190,682,603.76 = 36,244,143.86/x
  3. Step 3: Cross multiply
    127,120,554.86x = 190,682,603.76 × 36,244,143.86
  4. Step 4: Simplify right side
    127,120,554.86x = 6,911,127,722,276,816
  5. Step 5: Solve for x
    x = 6,911,127,722,276,816/127,120,554.86
  6. Step 6: Final answer
    x = 54,366,720.86

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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.