Home / 240,878,963.21-332,412,968.74-136,457,034.39

Finding the Fourth Proportional to 240,878,963.21, 332,412,968.74 and 136,457,034.39

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Solution

The fourth proportional to 240,878,963.21, 332,412,968.74 and 136,457,034.39 is: 188,310,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,878,963.21 : 332,412,968.74 = 136,457,034.39 : x
  2. Step 2: Convert to fraction form
    240,878,963.21/332,412,968.74 = 136,457,034.39/x
  3. Step 3: Cross multiply
    240,878,963.21x = 332,412,968.74 × 136,457,034.39
  4. Step 4: Simplify right side
    240,878,963.21x = 45,360,087,906,695,032
  5. Step 5: Solve for x
    x = 45,360,087,906,695,032/240,878,963.21
  6. Step 6: Final answer
    x = 188,310,707.18

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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.