Home / 240,571,065.42-331,988,208.40-130,562,778.42

Finding the Fourth Proportional to 240,571,065.42, 331,988,208.40 and 130,562,778.42

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Solution

The fourth proportional to 240,571,065.42, 331,988,208.40 and 130,562,778.42 is: 180,176,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,571,065.42 : 331,988,208.40 = 130,562,778.42 : x
  2. Step 2: Convert to fraction form
    240,571,065.42/331,988,208.40 = 130,562,778.42/x
  3. Step 3: Cross multiply
    240,571,065.42x = 331,988,208.40 × 130,562,778.42
  4. Step 4: Simplify right side
    240,571,065.42x = 43,345,302,891,381,984
  5. Step 5: Solve for x
    x = 43,345,302,891,381,984/240,571,065.42
  6. Step 6: Final answer
    x = 180,176,709.18

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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.