Home / 345,099,067.80-517,648,601.70-163,700,539.80

Finding the Fourth Proportional to 345,099,067.80, 517,648,601.70 and 163,700,539.80

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Solution

The fourth proportional to 345,099,067.80, 517,648,601.70 and 163,700,539.80 is: 245,550,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,099,067.80 : 517,648,601.70 = 163,700,539.80 : x
  2. Step 2: Convert to fraction form
    345,099,067.80/517,648,601.70 = 163,700,539.80/x
  3. Step 3: Cross multiply
    345,099,067.80x = 517,648,601.70 × 163,700,539.80
  4. Step 4: Simplify right side
    345,099,067.80x = 84,739,355,525,005,200
  5. Step 5: Solve for x
    x = 84,739,355,525,005,200/345,099,067.80
  6. Step 6: Final answer
    x = 245,550,809.70

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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.