Home / 259,848,002.10-389,772,003.15-78,095,180.10

Finding the Fourth Proportional to 259,848,002.10, 389,772,003.15 and 78,095,180.10

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Solution

The fourth proportional to 259,848,002.10, 389,772,003.15 and 78,095,180.10 is: 117,142,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,848,002.10 : 389,772,003.15 = 78,095,180.10 : x
  2. Step 2: Convert to fraction form
    259,848,002.10/389,772,003.15 = 78,095,180.10/x
  3. Step 3: Cross multiply
    259,848,002.10x = 389,772,003.15 × 78,095,180.10
  4. Step 4: Simplify right side
    259,848,002.10x = 30,439,314,783,937,012
  5. Step 5: Solve for x
    x = 30,439,314,783,937,012/259,848,002.10
  6. Step 6: Final answer
    x = 117,142,770.15

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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.