Home / 285,953,522.40-428,994,450.18-91,875,993.12

Finding the Fourth Proportional to 285,953,522.40, 428,994,450.18 and 91,875,993.12

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Solution

The fourth proportional to 285,953,522.40, 428,994,450.18 and 91,875,993.12 is: 137,834,606.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,953,522.40 : 428,994,450.18 = 91,875,993.12 : x
  2. Step 2: Convert to fraction form
    285,953,522.40/428,994,450.18 = 91,875,993.12/x
  3. Step 3: Cross multiply
    285,953,522.40x = 428,994,450.18 × 91,875,993.12
  4. Step 4: Simplify right side
    285,953,522.40x = 39,414,291,153,255,864
  5. Step 5: Solve for x
    x = 39,414,291,153,255,864/285,953,522.40
  6. Step 6: Final answer
    x = 137,834,606.21

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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.