Home / 78,119,506.44-117,185,649.36-39,237,965.82

Finding the Fourth Proportional to 78,119,506.44, 117,185,649.36 and 39,237,965.82

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Solution

The fourth proportional to 78,119,506.44, 117,185,649.36 and 39,237,965.82 is: 58,860,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,119,506.44 : 117,185,649.36 = 39,237,965.82 : x
  2. Step 2: Convert to fraction form
    78,119,506.44/117,185,649.36 = 39,237,965.82/x
  3. Step 3: Cross multiply
    78,119,506.44x = 117,185,649.36 × 39,237,965.82
  4. Step 4: Simplify right side
    78,119,506.44x = 4,598,126,504,182,185
  5. Step 5: Solve for x
    x = 4,598,126,504,182,185/78,119,506.44
  6. Step 6: Final answer
    x = 58,860,158.16

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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.