Home / 66,319,893.20-99,444,410.40-27,938,043.20

Finding the Fourth Proportional to 66,319,893.20, 99,444,410.40 and 27,938,043.20

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Solution

The fourth proportional to 66,319,893.20, 99,444,410.40 and 27,938,043.20 is: 41,892,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319,893.20 : 99,444,410.40 = 27,938,043.20 : x
  2. Step 2: Convert to fraction form
    66,319,893.20/99,444,410.40 = 27,938,043.20/x
  3. Step 3: Cross multiply
    66,319,893.20x = 99,444,410.40 × 27,938,043.20
  4. Step 4: Simplify right side
    66,319,893.20x = 2,778,282,233,753,729.50
  5. Step 5: Solve for x
    x = 2,778,282,233,753,729.50/66,319,893.20
  6. Step 6: Final answer
    x = 41,892,139.74

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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.