Home / 40,803,947.70-61,205,921.55-31,556,874.30

Finding the Fourth Proportional to 40,803,947.70, 61,205,921.55 and 31,556,874.30

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Solution

The fourth proportional to 40,803,947.70, 61,205,921.55 and 31,556,874.30 is: 47,335,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,947.70 : 61,205,921.55 = 31,556,874.30 : x
  2. Step 2: Convert to fraction form
    40,803,947.70/61,205,921.55 = 31,556,874.30/x
  3. Step 3: Cross multiply
    40,803,947.70x = 61,205,921.55 × 31,556,874.30
  4. Step 4: Simplify right side
    40,803,947.70x = 1,931,467,572,769,011
  5. Step 5: Solve for x
    x = 1,931,467,572,769,011/40,803,947.70
  6. Step 6: Final answer
    x = 47,335,311.45

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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.