Home / 85,961,203.20-128,941,804.80-29,227,507.20

Finding the Fourth Proportional to 85,961,203.20, 128,941,804.80 and 29,227,507.20

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Solution

The fourth proportional to 85,961,203.20, 128,941,804.80 and 29,227,507.20 is: 43,841,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,961,203.20 : 128,941,804.80 = 29,227,507.20 : x
  2. Step 2: Convert to fraction form
    85,961,203.20/128,941,804.80 = 29,227,507.20/x
  3. Step 3: Cross multiply
    85,961,203.20x = 128,941,804.80 × 29,227,507.20
  4. Step 4: Simplify right side
    85,961,203.20x = 3,768,647,528,172,994.50
  5. Step 5: Solve for x
    x = 3,768,647,528,172,994.50/85,961,203.20
  6. Step 6: Final answer
    x = 43,841,260.80

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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.