Home / 78,366,476.88-108,145,807.34-43,084,882.35

Finding the Fourth Proportional to 78,366,476.88, 108,145,807.34 and 43,084,882.35

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Solution

The fourth proportional to 78,366,476.88, 108,145,807.34 and 43,084,882.35 is: 59,457,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,366,476.88 : 108,145,807.34 = 43,084,882.35 : x
  2. Step 2: Convert to fraction form
    78,366,476.88/108,145,807.34 = 43,084,882.35/x
  3. Step 3: Cross multiply
    78,366,476.88x = 108,145,807.34 × 43,084,882.35
  4. Step 4: Simplify right side
    78,366,476.88x = 4,659,449,385,674,242
  5. Step 5: Solve for x
    x = 4,659,449,385,674,242/78,366,476.88
  6. Step 6: Final answer
    x = 59,457,175.71

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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.