Home / 136,734,594.78-188,693,735.39-74,854,933.35

Finding the Fourth Proportional to 136,734,594.78, 188,693,735.39 and 74,854,933.35

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Solution

The fourth proportional to 136,734,594.78, 188,693,735.39 and 74,854,933.35 is: 103,299,805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,734,594.78 : 188,693,735.39 = 74,854,933.35 : x
  2. Step 2: Convert to fraction form
    136,734,594.78/188,693,735.39 = 74,854,933.35/x
  3. Step 3: Cross multiply
    136,734,594.78x = 188,693,735.39 × 74,854,933.35
  4. Step 4: Simplify right side
    136,734,594.78x = 14,124,656,985,379,814
  5. Step 5: Solve for x
    x = 14,124,656,985,379,814/136,734,594.78
  6. Step 6: Final answer
    x = 103,299,805.05

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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.