Home / 130,085,406.42-179,524,437.93-71,353,536.54

Finding the Fourth Proportional to 130,085,406.42, 179,524,437.93 and 71,353,536.54

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Solution

The fourth proportional to 130,085,406.42, 179,524,437.93 and 71,353,536.54 is: 98,471,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,085,406.42 : 179,524,437.93 = 71,353,536.54 : x
  2. Step 2: Convert to fraction form
    130,085,406.42/179,524,437.93 = 71,353,536.54/x
  3. Step 3: Cross multiply
    130,085,406.42x = 179,524,437.93 × 71,353,536.54
  4. Step 4: Simplify right side
    130,085,406.42x = 12,809,703,541,661,218
  5. Step 5: Solve for x
    x = 12,809,703,541,661,218/130,085,406.42
  6. Step 6: Final answer
    x = 98,471,488.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.