Home / 78,366,483.63-108,145,816.62-43,084,889.07

Finding the Fourth Proportional to 78,366,483.63, 108,145,816.62 and 43,084,889.07

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Solution

The fourth proportional to 78,366,483.63, 108,145,816.62 and 43,084,889.07 is: 59,457,184.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,366,483.63 : 108,145,816.62 = 43,084,889.07 : x
  2. Step 2: Convert to fraction form
    78,366,483.63/108,145,816.62 = 43,084,889.07/x
  3. Step 3: Cross multiply
    78,366,483.63x = 108,145,816.62 × 43,084,889.07
  4. Step 4: Simplify right side
    78,366,483.63x = 4,659,450,512,457,263
  5. Step 5: Solve for x
    x = 4,659,450,512,457,263/78,366,483.63
  6. Step 6: Final answer
    x = 59,457,184.97

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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.