Home / 66,061,203.40-99,091,805.10-43,102,952.20

Finding the Fourth Proportional to 66,061,203.40, 99,091,805.10 and 43,102,952.20

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Solution

The fourth proportional to 66,061,203.40, 99,091,805.10 and 43,102,952.20 is: 64,654,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,061,203.40 : 99,091,805.10 = 43,102,952.20 : x
  2. Step 2: Convert to fraction form
    66,061,203.40/99,091,805.10 = 43,102,952.20/x
  3. Step 3: Cross multiply
    66,061,203.40x = 99,091,805.10 × 43,102,952.20
  4. Step 4: Simplify right side
    66,061,203.40x = 4,271,149,338,637,016.50
  5. Step 5: Solve for x
    x = 4,271,149,338,637,016.50/66,061,203.40
  6. Step 6: Final answer
    x = 64,654,428.30

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Similar ratio
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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.