Home / 54,452,428.90-81,678,643.35-54,074,515.30

Finding the Fourth Proportional to 54,452,428.90, 81,678,643.35 and 54,074,515.30

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Solution

The fourth proportional to 54,452,428.90, 81,678,643.35 and 54,074,515.30 is: 81,111,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,452,428.90 : 81,678,643.35 = 54,074,515.30 : x
  2. Step 2: Convert to fraction form
    54,452,428.90/81,678,643.35 = 54,074,515.30/x
  3. Step 3: Cross multiply
    54,452,428.90x = 81,678,643.35 × 54,074,515.30
  4. Step 4: Simplify right side
    54,452,428.90x = 4,416,733,049,512,817.50
  5. Step 5: Solve for x
    x = 4,416,733,049,512,817.50/54,452,428.90
  6. Step 6: Final answer
    x = 81,111,772.95

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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.