Home / 136,701,876.44-188,649,164.69-73,977,977.45

Finding the Fourth Proportional to 136,701,876.44, 188,649,164.69 and 73,977,977.45

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Solution

The fourth proportional to 136,701,876.44, 188,649,164.69 and 73,977,977.45 is: 102,089,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,701,876.44 : 188,649,164.69 = 73,977,977.45 : x
  2. Step 2: Convert to fraction form
    136,701,876.44/188,649,164.69 = 73,977,977.45/x
  3. Step 3: Cross multiply
    136,701,876.44x = 188,649,164.69 × 73,977,977.45
  4. Step 4: Simplify right side
    136,701,876.44x = 13,955,883,651,398,156
  5. Step 5: Solve for x
    x = 13,955,883,651,398,156/136,701,876.44
  6. Step 6: Final answer
    x = 102,089,920.16

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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.