Home / 248,879,503.84-343,402,441.63-143,012,463.34

Finding the Fourth Proportional to 248,879,503.84, 343,402,441.63 and 143,012,463.34

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Solution

The fourth proportional to 248,879,503.84, 343,402,441.63 and 143,012,463.34 is: 197,327,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,879,503.84 : 343,402,441.63 = 143,012,463.34 : x
  2. Step 2: Convert to fraction form
    248,879,503.84/343,402,441.63 = 143,012,463.34/x
  3. Step 3: Cross multiply
    248,879,503.84x = 343,402,441.63 × 143,012,463.34
  4. Step 4: Simplify right side
    248,879,503.84x = 49,110,829,094,476,864
  5. Step 5: Solve for x
    x = 49,110,829,094,476,864/248,879,503.84
  6. Step 6: Final answer
    x = 197,327,736.26

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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.