Home / 61,053,605.10-91,553,835.60-20,097,218.70

Finding the Fourth Proportional to 61,053,605.10, 91,553,835.60 and 20,097,218.70

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Solution

The fourth proportional to 61,053,605.10, 91,553,835.60 and 20,097,218.70 is: 30,137,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,053,605.10 : 91,553,835.60 = 20,097,218.70 : x
  2. Step 2: Convert to fraction form
    61,053,605.10/91,553,835.60 = 20,097,218.70/x
  3. Step 3: Cross multiply
    61,053,605.10x = 91,553,835.60 × 20,097,218.70
  4. Step 4: Simplify right side
    61,053,605.10x = 1,839,977,456,877,045.50
  5. Step 5: Solve for x
    x = 1,839,977,456,877,045.50/61,053,605.10
  6. Step 6: Final answer
    x = 30,137,081.24

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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.