Home / 74,708,676.09-111,833,171.78-48,745,071.50

Finding the Fourth Proportional to 74,708,676.09, 111,833,171.78 and 48,745,071.50

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Solution

The fourth proportional to 74,708,676.09, 111,833,171.78 and 48,745,071.50 is: 72,967,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708,676.09 : 111,833,171.78 = 48,745,071.50 : x
  2. Step 2: Convert to fraction form
    74,708,676.09/111,833,171.78 = 48,745,071.50/x
  3. Step 3: Cross multiply
    74,708,676.09x = 111,833,171.78 × 48,745,071.50
  4. Step 4: Simplify right side
    74,708,676.09x = 5,451,315,953,684,991
  5. Step 5: Solve for x
    x = 5,451,315,953,684,991/74,708,676.09
  6. Step 6: Final answer
    x = 72,967,642.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.