Home / 130,342,323.12-195,538,661.40-49,557,009.84

Finding the Fourth Proportional to 130,342,323.12, 195,538,661.40 and 49,557,009.84

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Solution

The fourth proportional to 130,342,323.12, 195,538,661.40 and 49,557,009.84 is: 74,345,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342,323.12 : 195,538,661.40 = 49,557,009.84 : x
  2. Step 2: Convert to fraction form
    130,342,323.12/195,538,661.40 = 49,557,009.84/x
  3. Step 3: Cross multiply
    130,342,323.12x = 195,538,661.40 × 49,557,009.84
  4. Step 4: Simplify right side
    130,342,323.12x = 9,690,311,367,100,230
  5. Step 5: Solve for x
    x = 9,690,311,367,100,230/130,342,323.12
  6. Step 6: Final answer
    x = 74,345,087.11

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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.