Home / 260,701,037.21-390,990,935.27-97,015,880.61

Finding the Fourth Proportional to 260,701,037.21, 390,990,935.27 and 97,015,880.61

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Solution

The fourth proportional to 260,701,037.21, 390,990,935.27 and 97,015,880.61 is: 145,501,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,701,037.21 : 390,990,935.27 = 97,015,880.61 : x
  2. Step 2: Convert to fraction form
    260,701,037.21/390,990,935.27 = 97,015,880.61/x
  3. Step 3: Cross multiply
    260,701,037.21x = 390,990,935.27 × 97,015,880.61
  4. Step 4: Simplify right side
    260,701,037.21x = 37,932,329,895,989,096
  5. Step 5: Solve for x
    x = 37,932,329,895,989,096/260,701,037.21
  6. Step 6: Final answer
    x = 145,501,261.91

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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.