Home / 64,821,856.80-97,102,148.40-40,486,087.20

Finding the Fourth Proportional to 64,821,856.80, 97,102,148.40 and 40,486,087.20

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Solution

The fourth proportional to 64,821,856.80, 97,102,148.40 and 40,486,087.20 is: 60,647,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821,856.80 : 97,102,148.40 = 40,486,087.20 : x
  2. Step 2: Convert to fraction form
    64,821,856.80/97,102,148.40 = 40,486,087.20/x
  3. Step 3: Cross multiply
    64,821,856.80x = 97,102,148.40 × 40,486,087.20
  4. Step 4: Simplify right side
    64,821,856.80x = 3,931,286,047,429,741
  5. Step 5: Solve for x
    x = 3,931,286,047,429,741/64,821,856.80
  6. Step 6: Final answer
    x = 60,647,538.37

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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.