Home / 77,294,081.30-106,664,636.70-42,486,023.79

Finding the Fourth Proportional to 77,294,081.30, 106,664,636.70 and 42,486,023.79

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Solution

The fourth proportional to 77,294,081.30, 106,664,636.70 and 42,486,023.79 is: 58,630,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,294,081.30 : 106,664,636.70 = 42,486,023.79 : x
  2. Step 2: Convert to fraction form
    77,294,081.30/106,664,636.70 = 42,486,023.79/x
  3. Step 3: Cross multiply
    77,294,081.30x = 106,664,636.70 × 42,486,023.79
  4. Step 4: Simplify right side
    77,294,081.30x = 4,531,756,292,387,907
  5. Step 5: Solve for x
    x = 4,531,756,292,387,907/77,294,081.30
  6. Step 6: Final answer
    x = 58,630,055.71

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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.