Home / 68,170,076.54-94,077,027.07-40,316,663.24

Finding the Fourth Proportional to 68,170,076.54, 94,077,027.07 and 40,316,663.24

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Solution

The fourth proportional to 68,170,076.54, 94,077,027.07 and 40,316,663.24 is: 55,638,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170,076.54 : 94,077,027.07 = 40,316,663.24 : x
  2. Step 2: Convert to fraction form
    68,170,076.54/94,077,027.07 = 40,316,663.24/x
  3. Step 3: Cross multiply
    68,170,076.54x = 94,077,027.07 × 40,316,663.24
  4. Step 4: Simplify right side
    68,170,076.54x = 3,792,871,819,001,554
  5. Step 5: Solve for x
    x = 3,792,871,819,001,554/68,170,076.54
  6. Step 6: Final answer
    x = 55,638,368.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.