Home / 130,342,176-195,538,440.96-49,556,862.72

Finding the Fourth Proportional to 130,342,176, 195,538,440.96 and 49,556,862.72

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Solution

The fourth proportional to 130,342,176, 195,538,440.96 and 49,556,862.72 is: 74,344,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342,176 : 195,538,440.96 = 49,556,862.72 : x
  2. Step 2: Convert to fraction form
    130,342,176/195,538,440.96 = 49,556,862.72/x
  3. Step 3: Cross multiply
    130,342,176x = 195,538,440.96 × 49,556,862.72
  4. Step 4: Simplify right side
    130,342,176x = 9,690,271,675,137,546
  5. Step 5: Solve for x
    x = 9,690,271,675,137,546/130,342,176
  6. Step 6: Final answer
    x = 74,344,866.51

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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.