Home / 40,803,903.70-61,205,855.55-31,556,830.30

Finding the Fourth Proportional to 40,803,903.70, 61,205,855.55 and 31,556,830.30

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Solution

The fourth proportional to 40,803,903.70, 61,205,855.55 and 31,556,830.30 is: 47,335,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,903.70 : 61,205,855.55 = 31,556,830.30 : x
  2. Step 2: Convert to fraction form
    40,803,903.70/61,205,855.55 = 31,556,830.30/x
  3. Step 3: Cross multiply
    40,803,903.70x = 61,205,855.55 × 31,556,830.30
  4. Step 4: Simplify right side
    40,803,903.70x = 1,931,462,796,957,663
  5. Step 5: Solve for x
    x = 1,931,462,796,957,663/40,803,903.70
  6. Step 6: Final answer
    x = 47,335,245.45

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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.