Home / 82,005,768.39-113,170,322.16-45,338,701.35

Finding the Fourth Proportional to 82,005,768.39, 113,170,322.16 and 45,338,701.35

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Solution

The fourth proportional to 82,005,768.39, 113,170,322.16 and 45,338,701.35 is: 62,568,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,005,768.39 : 113,170,322.16 = 45,338,701.35 : x
  2. Step 2: Convert to fraction form
    82,005,768.39/113,170,322.16 = 45,338,701.35/x
  3. Step 3: Cross multiply
    82,005,768.39x = 113,170,322.16 × 45,338,701.35
  4. Step 4: Simplify right side
    82,005,768.39x = 5,130,995,438,095,527
  5. Step 5: Solve for x
    x = 5,130,995,438,095,527/82,005,768.39
  6. Step 6: Final answer
    x = 62,568,713.63

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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.