Home / 67,991,618.80-101,987,428.20-54,554,690.80

Finding the Fourth Proportional to 67,991,618.80, 101,987,428.20 and 54,554,690.80

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Solution

The fourth proportional to 67,991,618.80, 101,987,428.20 and 54,554,690.80 is: 81,832,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991,618.80 : 101,987,428.20 = 54,554,690.80 : x
  2. Step 2: Convert to fraction form
    67,991,618.80/101,987,428.20 = 54,554,690.80/x
  3. Step 3: Cross multiply
    67,991,618.80x = 101,987,428.20 × 54,554,690.80
  4. Step 4: Simplify right side
    67,991,618.80x = 5,563,892,610,938,200
  5. Step 5: Solve for x
    x = 5,563,892,610,938,200/67,991,618.80
  6. Step 6: Final answer
    x = 81,832,036.20

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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.