Home / 85,337,970.75-117,766,709.64-46,179,743.22

Finding the Fourth Proportional to 85,337,970.75, 117,766,709.64 and 46,179,743.22

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Solution

The fourth proportional to 85,337,970.75, 117,766,709.64 and 46,179,743.22 is: 63,728,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,337,970.75 : 117,766,709.64 = 46,179,743.22 : x
  2. Step 2: Convert to fraction form
    85,337,970.75/117,766,709.64 = 46,179,743.22/x
  3. Step 3: Cross multiply
    85,337,970.75x = 117,766,709.64 × 46,179,743.22
  4. Step 4: Simplify right side
    85,337,970.75x = 5,438,436,411,039,499
  5. Step 5: Solve for x
    x = 5,438,436,411,039,499/85,337,970.75
  6. Step 6: Final answer
    x = 63,728,213.40

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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.