Home / 77,828,194.46-107,403,124.82-42,546,425.88

Finding the Fourth Proportional to 77,828,194.46, 107,403,124.82 and 42,546,425.88

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Solution

The fourth proportional to 77,828,194.46, 107,403,124.82 and 42,546,425.88 is: 58,714,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,828,194.46 : 107,403,124.82 = 42,546,425.88 : x
  2. Step 2: Convert to fraction form
    77,828,194.46/107,403,124.82 = 42,546,425.88/x
  3. Step 3: Cross multiply
    77,828,194.46x = 107,403,124.82 × 42,546,425.88
  4. Step 4: Simplify right side
    77,828,194.46x = 4,569,619,089,434,518
  5. Step 5: Solve for x
    x = 4,569,619,089,434,518/77,828,194.46
  6. Step 6: Final answer
    x = 58,714,186.05

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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.