Home / 130,004,019.60-195,006,029.40-53,382,037.20

Finding the Fourth Proportional to 130,004,019.60, 195,006,029.40 and 53,382,037.20

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Solution

The fourth proportional to 130,004,019.60, 195,006,029.40 and 53,382,037.20 is: 80,073,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,004,019.60 : 195,006,029.40 = 53,382,037.20 : x
  2. Step 2: Convert to fraction form
    130,004,019.60/195,006,029.40 = 53,382,037.20/x
  3. Step 3: Cross multiply
    130,004,019.60x = 195,006,029.40 × 53,382,037.20
  4. Step 4: Simplify right side
    130,004,019.60x = 10,409,819,115,655,094
  5. Step 5: Solve for x
    x = 10,409,819,115,655,094/130,004,019.60
  6. Step 6: Final answer
    x = 80,073,055.80

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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.