Home / 290,334,911.63-400,660,969.73-158,175,496.71

Finding the Fourth Proportional to 290,334,911.63, 400,660,969.73 and 158,175,496.71

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Solution

The fourth proportional to 290,334,911.63, 400,660,969.73 and 158,175,496.71 is: 218,281,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,334,911.63 : 400,660,969.73 = 158,175,496.71 : x
  2. Step 2: Convert to fraction form
    290,334,911.63/400,660,969.73 = 158,175,496.71/x
  3. Step 3: Cross multiply
    290,334,911.63x = 400,660,969.73 × 158,175,496.71
  4. Step 4: Simplify right side
    290,334,911.63x = 63,374,747,898,562,152
  5. Step 5: Solve for x
    x = 63,374,747,898,562,152/290,334,911.63
  6. Step 6: Final answer
    x = 218,281,527.16

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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.