Home / 80,011,842.07-110,434,105.05-48,643,225.63

Finding the Fourth Proportional to 80,011,842.07, 110,434,105.05 and 48,643,225.63

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Solution

The fourth proportional to 80,011,842.07, 110,434,105.05 and 48,643,225.63 is: 67,138,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,011,842.07 : 110,434,105.05 = 48,643,225.63 : x
  2. Step 2: Convert to fraction form
    80,011,842.07/110,434,105.05 = 48,643,225.63/x
  3. Step 3: Cross multiply
    80,011,842.07x = 110,434,105.05 × 48,643,225.63
  4. Step 4: Simplify right side
    80,011,842.07x = 5,371,871,089,194,273
  5. Step 5: Solve for x
    x = 5,371,871,089,194,273/80,011,842.07
  6. Step 6: Final answer
    x = 67,138,450.39

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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.