Home / 84,042,682.60-125,989,374.30-49,927,815.40

Finding the Fourth Proportional to 84,042,682.60, 125,989,374.30 and 49,927,815.40

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Solution

The fourth proportional to 84,042,682.60, 125,989,374.30 and 49,927,815.40 is: 74,847,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,042,682.60 : 125,989,374.30 = 49,927,815.40 : x
  2. Step 2: Convert to fraction form
    84,042,682.60/125,989,374.30 = 49,927,815.40/x
  3. Step 3: Cross multiply
    84,042,682.60x = 125,989,374.30 × 49,927,815.40
  4. Step 4: Simplify right side
    84,042,682.60x = 6,290,374,222,411,904
  5. Step 5: Solve for x
    x = 6,290,374,222,411,904/84,042,682.60
  6. Step 6: Final answer
    x = 74,847,375.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.