Home / 69,852,493.48-96,401,535.80-40,491,406.12

Finding the Fourth Proportional to 69,852,493.48, 96,401,535.80 and 40,491,406.12

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Solution

The fourth proportional to 69,852,493.48, 96,401,535.80 and 40,491,406.12 is: 55,881,093.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,852,493.48 : 96,401,535.80 = 40,491,406.12 : x
  2. Step 2: Convert to fraction form
    69,852,493.48/96,401,535.80 = 40,491,406.12/x
  3. Step 3: Cross multiply
    69,852,493.48x = 96,401,535.80 × 40,491,406.12
  4. Step 4: Simplify right side
    69,852,493.48x = 3,903,433,736,669,518.50
  5. Step 5: Solve for x
    x = 3,903,433,736,669,518.50/69,852,493.48
  6. Step 6: Final answer
    x = 55,881,093.75

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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.