Home / 78,130,857.34-117,196,224.44-23,543,443.50

Finding the Fourth Proportional to 78,130,857.34, 117,196,224.44 and 23,543,443.50

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Solution

The fourth proportional to 78,130,857.34, 117,196,224.44 and 23,543,443.50 is: 35,315,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,130,857.34 : 117,196,224.44 = 23,543,443.50 : x
  2. Step 2: Convert to fraction form
    78,130,857.34/117,196,224.44 = 23,543,443.50/x
  3. Step 3: Cross multiply
    78,130,857.34x = 117,196,224.44 × 23,543,443.50
  4. Step 4: Simplify right side
    78,130,857.34x = 2,759,202,687,959,256
  5. Step 5: Solve for x
    x = 2,759,202,687,959,256/78,130,857.34
  6. Step 6: Final answer
    x = 35,315,146.69

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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.