Home / 130,040,261.20-179,448,666.06-74,274,730.66

Finding the Fourth Proportional to 130,040,261.20, 179,448,666.06 and 74,274,730.66

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Solution

The fourth proportional to 130,040,261.20, 179,448,666.06 and 74,274,730.66 is: 102,495,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040,261.20 : 179,448,666.06 = 74,274,730.66 : x
  2. Step 2: Convert to fraction form
    130,040,261.20/179,448,666.06 = 74,274,730.66/x
  3. Step 3: Cross multiply
    130,040,261.20x = 179,448,666.06 × 74,274,730.66
  4. Step 4: Simplify right side
    130,040,261.20x = 13,328,501,338,902,782
  5. Step 5: Solve for x
    x = 13,328,501,338,902,782/130,040,261.20
  6. Step 6: Final answer
    x = 102,495,190.46

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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.