Home / 57,900,895.82-86,854,136.89-19,038,487.43

Finding the Fourth Proportional to 57,900,895.82, 86,854,136.89 and 19,038,487.43

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Solution

The fourth proportional to 57,900,895.82, 86,854,136.89 and 19,038,487.43 is: 28,558,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900,895.82 : 86,854,136.89 = 19,038,487.43 : x
  2. Step 2: Convert to fraction form
    57,900,895.82/86,854,136.89 = 19,038,487.43/x
  3. Step 3: Cross multiply
    57,900,895.82x = 86,854,136.89 × 19,038,487.43
  4. Step 4: Simplify right side
    57,900,895.82x = 1,653,571,393,423,764.25
  5. Step 5: Solve for x
    x = 1,653,571,393,423,764.25/57,900,895.82
  6. Step 6: Final answer
    x = 28,558,649.57

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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.