Home / 79,874,966.39-110,196,139.73-46,378,724.54

Finding the Fourth Proportional to 79,874,966.39, 110,196,139.73 and 46,378,724.54

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Solution

The fourth proportional to 79,874,966.39, 110,196,139.73 and 46,378,724.54 is: 63,984,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,874,966.39 : 110,196,139.73 = 46,378,724.54 : x
  2. Step 2: Convert to fraction form
    79,874,966.39/110,196,139.73 = 46,378,724.54/x
  3. Step 3: Cross multiply
    79,874,966.39x = 110,196,139.73 × 46,378,724.54
  4. Step 4: Simplify right side
    79,874,966.39x = 5,110,756,409,126,145
  5. Step 5: Solve for x
    x = 5,110,756,409,126,145/79,874,966.39
  6. Step 6: Final answer
    x = 63,984,457.71

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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.