Home / 219,674,713.07-303,131,065.95-130,351,262.46

Finding the Fourth Proportional to 219,674,713.07, 303,131,065.95 and 130,351,262.46

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Solution

The fourth proportional to 219,674,713.07, 303,131,065.95 and 130,351,262.46 is: 179,872,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,674,713.07 : 303,131,065.95 = 130,351,262.46 : x
  2. Step 2: Convert to fraction form
    219,674,713.07/303,131,065.95 = 130,351,262.46/x
  3. Step 3: Cross multiply
    219,674,713.07x = 303,131,065.95 × 130,351,262.46
  4. Step 4: Simplify right side
    219,674,713.07x = 39,513,517,137,428,016
  5. Step 5: Solve for x
    x = 39,513,517,137,428,016/219,674,713.07
  6. Step 6: Final answer
    x = 179,872,851.94

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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.