Home / 78,349,795.44-108,089,178.75-48,930,052.74

Finding the Fourth Proportional to 78,349,795.44, 108,089,178.75 and 48,930,052.74

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Solution

The fourth proportional to 78,349,795.44, 108,089,178.75 and 48,930,052.74 is: 67,502,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,349,795.44 : 108,089,178.75 = 48,930,052.74 : x
  2. Step 2: Convert to fraction form
    78,349,795.44/108,089,178.75 = 48,930,052.74/x
  3. Step 3: Cross multiply
    78,349,795.44x = 108,089,178.75 × 48,930,052.74
  4. Step 4: Simplify right side
    78,349,795.44x = 5,288,809,216,860,788
  5. Step 5: Solve for x
    x = 5,288,809,216,860,788/78,349,795.44
  6. Step 6: Final answer
    x = 67,502,527.44

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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.