Home / 86,194,136.68-118,950,436.98-47,038,441.88

Finding the Fourth Proportional to 86,194,136.68, 118,950,436.98 and 47,038,441.88

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Solution

The fourth proportional to 86,194,136.68, 118,950,436.98 and 47,038,441.88 is: 64,914,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,194,136.68 : 118,950,436.98 = 47,038,441.88 : x
  2. Step 2: Convert to fraction form
    86,194,136.68/118,950,436.98 = 47,038,441.88/x
  3. Step 3: Cross multiply
    86,194,136.68x = 118,950,436.98 × 47,038,441.88
  4. Step 4: Simplify right side
    86,194,136.68x = 5,595,243,216,484,333
  5. Step 5: Solve for x
    x = 5,595,243,216,484,333/86,194,136.68
  6. Step 6: Final answer
    x = 64,914,429.59

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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.