Home / 78,699,519.63-118,014,994.92-41,803,335.41

Finding the Fourth Proportional to 78,699,519.63, 118,014,994.92 and 41,803,335.41

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Solution

The fourth proportional to 78,699,519.63, 118,014,994.92 and 41,803,335.41 is: 62,686,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,699,519.63 : 118,014,994.92 = 41,803,335.41 : x
  2. Step 2: Convert to fraction form
    78,699,519.63/118,014,994.92 = 41,803,335.41/x
  3. Step 3: Cross multiply
    78,699,519.63x = 118,014,994.92 × 41,803,335.41
  4. Step 4: Simplify right side
    78,699,519.63x = 4,933,420,416,163,261
  5. Step 5: Solve for x
    x = 4,933,420,416,163,261/78,699,519.63
  6. Step 6: Final answer
    x = 62,686,791.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.