Home / 178,325,292.80-267,572,469.49-86,157,365.36

Finding the Fourth Proportional to 178,325,292.80, 267,572,469.49 and 86,157,365.36

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Solution

The fourth proportional to 178,325,292.80, 267,572,469.49 and 86,157,365.36 is: 129,276,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,325,292.80 : 267,572,469.49 = 86,157,365.36 : x
  2. Step 2: Convert to fraction form
    178,325,292.80/267,572,469.49 = 86,157,365.36/x
  3. Step 3: Cross multiply
    178,325,292.80x = 267,572,469.49 × 86,157,365.36
  4. Step 4: Simplify right side
    178,325,292.80x = 23,053,339,012,574,128
  5. Step 5: Solve for x
    x = 23,053,339,012,574,128/178,325,292.80
  6. Step 6: Final answer
    x = 129,276,888.60

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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.