Home / 66,704,559.40-99,907,539.90-54,760,623.40

Finding the Fourth Proportional to 66,704,559.40, 99,907,539.90 and 54,760,623.40

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Solution

The fourth proportional to 66,704,559.40, 99,907,539.90 and 54,760,623.40 is: 82,018,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,704,559.40 : 99,907,539.90 = 54,760,623.40 : x
  2. Step 2: Convert to fraction form
    66,704,559.40/99,907,539.90 = 54,760,623.40/x
  3. Step 3: Cross multiply
    66,704,559.40x = 99,907,539.90 × 54,760,623.40
  4. Step 4: Simplify right side
    66,704,559.40x = 5,470,999,167,284,374
  5. Step 5: Solve for x
    x = 5,470,999,167,284,374/66,704,559.40
  6. Step 6: Final answer
    x = 82,018,369.01

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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.