Home / 82,367,503.34-113,666,842.70-45,198,405.51

Finding the Fourth Proportional to 82,367,503.34, 113,666,842.70 and 45,198,405.51

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Solution

The fourth proportional to 82,367,503.34, 113,666,842.70 and 45,198,405.51 is: 62,373,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,503.34 : 113,666,842.70 = 45,198,405.51 : x
  2. Step 2: Convert to fraction form
    82,367,503.34/113,666,842.70 = 45,198,405.51/x
  3. Step 3: Cross multiply
    82,367,503.34x = 113,666,842.70 × 45,198,405.51
  4. Step 4: Simplify right side
    82,367,503.34x = 5,137,560,049,169,991
  5. Step 5: Solve for x
    x = 5,137,560,049,169,991/82,367,503.34
  6. Step 6: Final answer
    x = 62,373,628.45

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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.