Home / 45,988,128.60-68,954,407.93-18,326,301.56

Finding the Fourth Proportional to 45,988,128.60, 68,954,407.93 and 18,326,301.56

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Solution

The fourth proportional to 45,988,128.60, 68,954,407.93 and 18,326,301.56 is: 27,478,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,988,128.60 : 68,954,407.93 = 18,326,301.56 : x
  2. Step 2: Convert to fraction form
    45,988,128.60/68,954,407.93 = 18,326,301.56/x
  3. Step 3: Cross multiply
    45,988,128.60x = 68,954,407.93 × 18,326,301.56
  4. Step 4: Simplify right side
    45,988,128.60x = 1,263,679,273,616,435.50
  5. Step 5: Solve for x
    x = 1,263,679,273,616,435.50/45,988,128.60
  6. Step 6: Final answer
    x = 27,478,380.01

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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.