Home / 66,436,350.30-99,654,525.45-57,348,709.20

Finding the Fourth Proportional to 66,436,350.30, 99,654,525.45 and 57,348,709.20

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Solution

The fourth proportional to 66,436,350.30, 99,654,525.45 and 57,348,709.20 is: 86,023,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,350.30 : 99,654,525.45 = 57,348,709.20 : x
  2. Step 2: Convert to fraction form
    66,436,350.30/99,654,525.45 = 57,348,709.20/x
  3. Step 3: Cross multiply
    66,436,350.30x = 99,654,525.45 × 57,348,709.20
  4. Step 4: Simplify right side
    66,436,350.30x = 5,715,058,400,496,050
  5. Step 5: Solve for x
    x = 5,715,058,400,496,050/66,436,350.30
  6. Step 6: Final answer
    x = 86,023,063.80

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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.