Home / 189,509,035.22-284,263,520.40-103,319,922.50

Finding the Fourth Proportional to 189,509,035.22, 284,263,520.40 and 103,319,922.50

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Solution

The fourth proportional to 189,509,035.22, 284,263,520.40 and 103,319,922.50 is: 154,979,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,509,035.22 : 284,263,520.40 = 103,319,922.50 : x
  2. Step 2: Convert to fraction form
    189,509,035.22/284,263,520.40 = 103,319,922.50/x
  3. Step 3: Cross multiply
    189,509,035.22x = 284,263,520.40 × 103,319,922.50
  4. Step 4: Simplify right side
    189,509,035.22x = 29,370,084,897,305,168
  5. Step 5: Solve for x
    x = 29,370,084,897,305,168/189,509,035.22
  6. Step 6: Final answer
    x = 154,979,866.07

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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.