Home / 76,391,124.50-105,419,764.17-41,584,075.45

Finding the Fourth Proportional to 76,391,124.50, 105,419,764.17 and 41,584,075.45

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Solution

The fourth proportional to 76,391,124.50, 105,419,764.17 and 41,584,075.45 is: 57,386,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,391,124.50 : 105,419,764.17 = 41,584,075.45 : x
  2. Step 2: Convert to fraction form
    76,391,124.50/105,419,764.17 = 41,584,075.45/x
  3. Step 3: Cross multiply
    76,391,124.50x = 105,419,764.17 × 41,584,075.45
  4. Step 4: Simplify right side
    76,391,124.50x = 4,383,783,426,902,937
  5. Step 5: Solve for x
    x = 4,383,783,426,902,937/76,391,124.50
  6. Step 6: Final answer
    x = 57,386,030.84

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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.