Home / 101,556,271.40-140,147,211.30-55,146,148.52

Finding the Fourth Proportional to 101,556,271.40, 140,147,211.30 and 55,146,148.52

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Solution

The fourth proportional to 101,556,271.40, 140,147,211.30 and 55,146,148.52 is: 76,101,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,556,271.40 : 140,147,211.30 = 55,146,148.52 : x
  2. Step 2: Convert to fraction form
    101,556,271.40/140,147,211.30 = 55,146,148.52/x
  3. Step 3: Cross multiply
    101,556,271.40x = 140,147,211.30 × 55,146,148.52
  4. Step 4: Simplify right side
    101,556,271.40x = 7,728,578,929,013,623
  5. Step 5: Solve for x
    x = 7,728,578,929,013,623/101,556,271.40
  6. Step 6: Final answer
    x = 76,101,444.28

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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.