Home / 136,701,872.44-188,649,159.17-73,977,973.45

Finding the Fourth Proportional to 136,701,872.44, 188,649,159.17 and 73,977,973.45

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Solution

The fourth proportional to 136,701,872.44, 188,649,159.17 and 73,977,973.45 is: 102,089,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,701,872.44 : 188,649,159.17 = 73,977,973.45 : x
  2. Step 2: Convert to fraction form
    136,701,872.44/188,649,159.17 = 73,977,973.45/x
  3. Step 3: Cross multiply
    136,701,872.44x = 188,649,159.17 × 73,977,973.45
  4. Step 4: Simplify right side
    136,701,872.44x = 13,955,882,487,601,572
  5. Step 5: Solve for x
    x = 13,955,882,487,601,572/136,701,872.44
  6. Step 6: Final answer
    x = 102,089,914.64

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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.