Home / 188,749,889.02-260,482,928.14-105,118,019.40

Finding the Fourth Proportional to 188,749,889.02, 260,482,928.14 and 105,118,019.40

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Solution

The fourth proportional to 188,749,889.02, 260,482,928.14 and 105,118,019.40 is: 145,067,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,749,889.02 : 260,482,928.14 = 105,118,019.40 : x
  2. Step 2: Convert to fraction form
    188,749,889.02/260,482,928.14 = 105,118,019.40/x
  3. Step 3: Cross multiply
    188,749,889.02x = 260,482,928.14 × 105,118,019.40
  4. Step 4: Simplify right side
    188,749,889.02x = 27,381,449,493,589,324
  5. Step 5: Solve for x
    x = 27,381,449,493,589,324/188,749,889.02
  6. Step 6: Final answer
    x = 145,067,367.38

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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.