Home / 76,104,355.32-104,851,638-72,476,384.76

Finding the Fourth Proportional to 76,104,355.32, 104,851,638 and 72,476,384.76

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Solution

The fourth proportional to 76,104,355.32, 104,851,638 and 72,476,384.76 is: 99,853,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,104,355.32 : 104,851,638 = 72,476,384.76 : x
  2. Step 2: Convert to fraction form
    76,104,355.32/104,851,638 = 72,476,384.76/x
  3. Step 3: Cross multiply
    76,104,355.32x = 104,851,638 × 72,476,384.76
  4. Step 4: Simplify right side
    76,104,355.32x = 7,599,267,658,404,237
  5. Step 5: Solve for x
    x = 7,599,267,658,404,237/76,104,355.32
  6. Step 6: Final answer
    x = 99,853,255.79

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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.