Home / 98,297,883-135,651,136.90-54,837,819

Finding the Fourth Proportional to 98,297,883, 135,651,136.90 and 54,837,819

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Solution

The fourth proportional to 98,297,883, 135,651,136.90 and 54,837,819 is: 75,676,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297,883 : 135,651,136.90 = 54,837,819 : x
  2. Step 2: Convert to fraction form
    98,297,883/135,651,136.90 = 54,837,819/x
  3. Step 3: Cross multiply
    98,297,883x = 135,651,136.90 × 54,837,819
  4. Step 4: Simplify right side
    98,297,883x = 7,438,812,492,466,421
  5. Step 5: Solve for x
    x = 7,438,812,492,466,421/98,297,883
  6. Step 6: Final answer
    x = 75,676,222.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.