Home / 260,168,184.72-390,096,384.09-82,828,684.98

Finding the Fourth Proportional to 260,168,184.72, 390,096,384.09 and 82,828,684.98

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Solution

The fourth proportional to 260,168,184.72, 390,096,384.09 and 82,828,684.98 is: 124,193,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,168,184.72 : 390,096,384.09 = 82,828,684.98 : x
  2. Step 2: Convert to fraction form
    260,168,184.72/390,096,384.09 = 82,828,684.98/x
  3. Step 3: Cross multiply
    260,168,184.72x = 390,096,384.09 × 82,828,684.98
  4. Step 4: Simplify right side
    260,168,184.72x = 32,311,170,509,627,692
  5. Step 5: Solve for x
    x = 32,311,170,509,627,692/260,168,184.72
  6. Step 6: Final answer
    x = 124,193,396.45

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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.