Home / 47,966,955.04-66,134,408.88-40,030,922.80

Finding the Fourth Proportional to 47,966,955.04, 66,134,408.88 and 40,030,922.80

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Solution

The fourth proportional to 47,966,955.04, 66,134,408.88 and 40,030,922.80 is: 55,192,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,966,955.04 : 66,134,408.88 = 40,030,922.80 : x
  2. Step 2: Convert to fraction form
    47,966,955.04/66,134,408.88 = 40,030,922.80/x
  3. Step 3: Cross multiply
    47,966,955.04x = 66,134,408.88 × 40,030,922.80
  4. Step 4: Simplify right side
    47,966,955.04x = 2,647,421,416,298,914.50
  5. Step 5: Solve for x
    x = 2,647,421,416,298,914.50/47,966,955.04
  6. Step 6: Final answer
    x = 55,192,609.46

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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.