Home / 154,440,325.67-213,131,811.44-90,865,102.64

Finding the Fourth Proportional to 154,440,325.67, 213,131,811.44 and 90,865,102.64

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Solution

The fourth proportional to 154,440,325.67, 213,131,811.44 and 90,865,102.64 is: 125,396,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,440,325.67 : 213,131,811.44 = 90,865,102.64 : x
  2. Step 2: Convert to fraction form
    154,440,325.67/213,131,811.44 = 90,865,102.64/x
  3. Step 3: Cross multiply
    154,440,325.67x = 213,131,811.44 × 90,865,102.64
  4. Step 4: Simplify right side
    154,440,325.67x = 19,366,243,921,506,232
  5. Step 5: Solve for x
    x = 19,366,243,921,506,232/154,440,325.67
  6. Step 6: Final answer
    x = 125,396,290.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.