Home / 127,328,874.32-190,993,073.04-39,897,084.56

Finding the Fourth Proportional to 127,328,874.32, 190,993,073.04 and 39,897,084.56

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Solution

The fourth proportional to 127,328,874.32, 190,993,073.04 and 39,897,084.56 is: 59,845,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,874.32 : 190,993,073.04 = 39,897,084.56 : x
  2. Step 2: Convert to fraction form
    127,328,874.32/190,993,073.04 = 39,897,084.56/x
  3. Step 3: Cross multiply
    127,328,874.32x = 190,993,073.04 × 39,897,084.56
  4. Step 4: Simplify right side
    127,328,874.32x = 7,620,066,785,451,136
  5. Step 5: Solve for x
    x = 7,620,066,785,451,136/127,328,874.32
  6. Step 6: Final answer
    x = 59,845,552.13

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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.