Home / 136,609,625.36-188,521,531.01-74,729,963.93

Finding the Fourth Proportional to 136,609,625.36, 188,521,531.01 and 74,729,963.93

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Solution

The fourth proportional to 136,609,625.36, 188,521,531.01 and 74,729,963.93 is: 103,127,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,609,625.36 : 188,521,531.01 = 74,729,963.93 : x
  2. Step 2: Convert to fraction form
    136,609,625.36/188,521,531.01 = 74,729,963.93/x
  3. Step 3: Cross multiply
    136,609,625.36x = 188,521,531.01 × 74,729,963.93
  4. Step 4: Simplify right side
    136,609,625.36x = 14,088,207,211,089,418
  5. Step 5: Solve for x
    x = 14,088,207,211,089,418/136,609,625.36
  6. Step 6: Final answer
    x = 103,127,485.89

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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.