Home / 76,597,287.52-105,704,136.12-41,789,981.02

Finding the Fourth Proportional to 76,597,287.52, 105,704,136.12 and 41,789,981.02

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Solution

The fourth proportional to 76,597,287.52, 105,704,136.12 and 41,789,981.02 is: 57,670,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,597,287.52 : 105,704,136.12 = 41,789,981.02 : x
  2. Step 2: Convert to fraction form
    76,597,287.52/105,704,136.12 = 41,789,981.02/x
  3. Step 3: Cross multiply
    76,597,287.52x = 105,704,136.12 × 41,789,981.02
  4. Step 4: Simplify right side
    76,597,287.52x = 4,417,373,842,190,297
  5. Step 5: Solve for x
    x = 4,417,373,842,190,297/76,597,287.52
  6. Step 6: Final answer
    x = 57,670,107.98

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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.