Home / 76,649,328.94-114,973,998.42-61,224,399.26

Finding the Fourth Proportional to 76,649,328.94, 114,973,998.42 and 61,224,399.26

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Solution

The fourth proportional to 76,649,328.94, 114,973,998.42 and 61,224,399.26 is: 91,836,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,649,328.94 : 114,973,998.42 = 61,224,399.26 : x
  2. Step 2: Convert to fraction form
    76,649,328.94/114,973,998.42 = 61,224,399.26/x
  3. Step 3: Cross multiply
    76,649,328.94x = 114,973,998.42 × 61,224,399.26
  4. Step 4: Simplify right side
    76,649,328.94x = 7,039,213,983,116,619
  5. Step 5: Solve for x
    x = 7,039,213,983,116,619/76,649,328.94
  6. Step 6: Final answer
    x = 91,836,602.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.