Home / 76,961,521.44-106,203,111.12-42,154,366.68

Finding the Fourth Proportional to 76,961,521.44, 106,203,111.12 and 42,154,366.68

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Solution

The fourth proportional to 76,961,521.44, 106,203,111.12 and 42,154,366.68 is: 58,170,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961,521.44 : 106,203,111.12 = 42,154,366.68 : x
  2. Step 2: Convert to fraction form
    76,961,521.44/106,203,111.12 = 42,154,366.68/x
  3. Step 3: Cross multiply
    76,961,521.44x = 106,203,111.12 × 42,154,366.68
  4. Step 4: Simplify right side
    76,961,521.44x = 4,476,924,888,709,265.50
  5. Step 5: Solve for x
    x = 4,476,924,888,709,265.50/76,961,521.44
  6. Step 6: Final answer
    x = 58,170,950.95

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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.