Home / 84,718,971.90-127,096,172.55-27,217,055.70

Finding the Fourth Proportional to 84,718,971.90, 127,096,172.55 and 27,217,055.70

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Solution

The fourth proportional to 84,718,971.90, 127,096,172.55 and 27,217,055.70 is: 40,831,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718,971.90 : 127,096,172.55 = 27,217,055.70 : x
  2. Step 2: Convert to fraction form
    84,718,971.90/127,096,172.55 = 27,217,055.70/x
  3. Step 3: Cross multiply
    84,718,971.90x = 127,096,172.55 × 27,217,055.70
  4. Step 4: Simplify right side
    84,718,971.90x = 3,459,183,607,550,161
  5. Step 5: Solve for x
    x = 3,459,183,607,550,161/84,718,971.90
  6. Step 6: Final answer
    x = 40,831,274.62

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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.