Home / 130,009,321.40-195,013,982.10-43,719,049.40

Finding the Fourth Proportional to 130,009,321.40, 195,013,982.10 and 43,719,049.40

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Solution

The fourth proportional to 130,009,321.40, 195,013,982.10 and 43,719,049.40 is: 65,578,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,009,321.40 : 195,013,982.10 = 43,719,049.40 : x
  2. Step 2: Convert to fraction form
    130,009,321.40/195,013,982.10 = 43,719,049.40/x
  3. Step 3: Cross multiply
    130,009,321.40x = 195,013,982.10 × 43,719,049.40
  4. Step 4: Simplify right side
    130,009,321.40x = 8,525,825,917,120,615
  5. Step 5: Solve for x
    x = 8,525,825,917,120,615/130,009,321.40
  6. Step 6: Final answer
    x = 65,578,574.10

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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.