Home / 136,062,893.96-187,782,734.40-77,334,387.02

Finding the Fourth Proportional to 136,062,893.96, 187,782,734.40 and 77,334,387.02

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Solution

The fourth proportional to 136,062,893.96, 187,782,734.40 and 77,334,387.02 is: 106,730,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062,893.96 : 187,782,734.40 = 77,334,387.02 : x
  2. Step 2: Convert to fraction form
    136,062,893.96/187,782,734.40 = 77,334,387.02/x
  3. Step 3: Cross multiply
    136,062,893.96x = 187,782,734.40 × 77,334,387.02
  4. Step 4: Simplify right side
    136,062,893.96x = 14,522,062,657,763,468
  5. Step 5: Solve for x
    x = 14,522,062,657,763,468/136,062,893.96
  6. Step 6: Final answer
    x = 106,730,514.36

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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.