Home / 40,803,748.80-61,205,623.20-38,465,408.40

Finding the Fourth Proportional to 40,803,748.80, 61,205,623.20 and 38,465,408.40

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Solution

The fourth proportional to 40,803,748.80, 61,205,623.20 and 38,465,408.40 is: 57,698,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,803,748.80 : 61,205,623.20 = 38,465,408.40 : x
  2. Step 2: Convert to fraction form
    40,803,748.80/61,205,623.20 = 38,465,408.40/x
  3. Step 3: Cross multiply
    40,803,748.80x = 61,205,623.20 × 38,465,408.40
  4. Step 4: Simplify right side
    40,803,748.80x = 2,354,299,292,764,515
  5. Step 5: Solve for x
    x = 2,354,299,292,764,515/40,803,748.80
  6. Step 6: Final answer
    x = 57,698,112.60

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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.