Home / 64,948,271.20-97,422,406.80-40,289,408.80

Finding the Fourth Proportional to 64,948,271.20, 97,422,406.80 and 40,289,408.80

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Solution

The fourth proportional to 64,948,271.20, 97,422,406.80 and 40,289,408.80 is: 60,434,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,948,271.20 : 97,422,406.80 = 40,289,408.80 : x
  2. Step 2: Convert to fraction form
    64,948,271.20/97,422,406.80 = 40,289,408.80/x
  3. Step 3: Cross multiply
    64,948,271.20x = 97,422,406.80 × 40,289,408.80
  4. Step 4: Simplify right side
    64,948,271.20x = 3,925,091,173,845,099.50
  5. Step 5: Solve for x
    x = 3,925,091,173,845,099.50/64,948,271.20
  6. Step 6: Final answer
    x = 60,434,113.20

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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.