Home / 117,089,899.92-161,583,901.92-64,882,315.44

Finding the Fourth Proportional to 117,089,899.92, 161,583,901.92 and 64,882,315.44

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Solution

The fourth proportional to 117,089,899.92, 161,583,901.92 and 64,882,315.44 is: 89,537,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089,899.92 : 161,583,901.92 = 64,882,315.44 : x
  2. Step 2: Convert to fraction form
    117,089,899.92/161,583,901.92 = 64,882,315.44/x
  3. Step 3: Cross multiply
    117,089,899.92x = 161,583,901.92 × 64,882,315.44
  4. Step 4: Simplify right side
    117,089,899.92x = 10,483,937,694,399,460
  5. Step 5: Solve for x
    x = 10,483,937,694,399,460/117,089,899.92
  6. Step 6: Final answer
    x = 89,537,506.66

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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.