Home / 76,623,858.87-105,739,449.71-41,816,798.41

Finding the Fourth Proportional to 76,623,858.87, 105,739,449.71 and 41,816,798.41

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Solution

The fourth proportional to 76,623,858.87, 105,739,449.71 and 41,816,798.41 is: 57,706,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,858.87 : 105,739,449.71 = 41,816,798.41 : x
  2. Step 2: Convert to fraction form
    76,623,858.87/105,739,449.71 = 41,816,798.41/x
  3. Step 3: Cross multiply
    76,623,858.87x = 105,739,449.71 × 41,816,798.41
  4. Step 4: Simplify right side
    76,623,858.87x = 4,421,685,252,507,402.50
  5. Step 5: Solve for x
    x = 4,421,685,252,507,402.50/76,623,858.87
  6. Step 6: Final answer
    x = 57,706,376.55

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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.