Home / 127,239,460.96-190,503,603.76-68,737,550

Finding the Fourth Proportional to 127,239,460.96, 190,503,603.76 and 68,737,550

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Solution

The fourth proportional to 127,239,460.96, 190,503,603.76 and 68,737,550 is: 102,914,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,239,460.96 : 190,503,603.76 = 68,737,550 : x
  2. Step 2: Convert to fraction form
    127,239,460.96/190,503,603.76 = 68,737,550/x
  3. Step 3: Cross multiply
    127,239,460.96x = 190,503,603.76 × 68,737,550
  4. Step 4: Simplify right side
    127,239,460.96x = 13,094,750,988,633,188
  5. Step 5: Solve for x
    x = 13,094,750,988,633,188/127,239,460.96
  6. Step 6: Final answer
    x = 102,914,228.73

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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.