Home / 130,362,869.60-195,544,304.40-128,347,330.40

Finding the Fourth Proportional to 130,362,869.60, 195,544,304.40 and 128,347,330.40

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Solution

The fourth proportional to 130,362,869.60, 195,544,304.40 and 128,347,330.40 is: 192,520,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,362,869.60 : 195,544,304.40 = 128,347,330.40 : x
  2. Step 2: Convert to fraction form
    130,362,869.60/195,544,304.40 = 128,347,330.40/x
  3. Step 3: Cross multiply
    130,362,869.60x = 195,544,304.40 × 128,347,330.40
  4. Step 4: Simplify right side
    130,362,869.60x = 25,097,589,444,664,976
  5. Step 5: Solve for x
    x = 25,097,589,444,664,976/130,362,869.60
  6. Step 6: Final answer
    x = 192,520,995.60

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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.