Home / 54,118,640.36-81,169,319.10-15,771,184.58

Finding the Fourth Proportional to 54,118,640.36, 81,169,319.10 and 15,771,184.58

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Solution

The fourth proportional to 54,118,640.36, 81,169,319.10 and 15,771,184.58 is: 23,654,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118,640.36 : 81,169,319.10 = 15,771,184.58 : x
  2. Step 2: Convert to fraction form
    54,118,640.36/81,169,319.10 = 15,771,184.58/x
  3. Step 3: Cross multiply
    54,118,640.36x = 81,169,319.10 × 15,771,184.58
  4. Step 4: Simplify right side
    54,118,640.36x = 1,280,136,313,759,019.50
  5. Step 5: Solve for x
    x = 1,280,136,313,759,019.50/54,118,640.36
  6. Step 6: Final answer
    x = 23,654,258.59

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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.