Home / 117,026,491.02-161,494,578.41-64,814,405.67

Finding the Fourth Proportional to 117,026,491.02, 161,494,578.41 and 64,814,405.67

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Solution

The fourth proportional to 117,026,491.02, 161,494,578.41 and 64,814,405.67 is: 89,442,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,026,491.02 : 161,494,578.41 = 64,814,405.67 : x
  2. Step 2: Convert to fraction form
    117,026,491.02/161,494,578.41 = 64,814,405.67/x
  3. Step 3: Cross multiply
    117,026,491.02x = 161,494,578.41 × 64,814,405.67
  4. Step 4: Simplify right side
    117,026,491.02x = 10,467,175,118,733,400
  5. Step 5: Solve for x
    x = 10,467,175,118,733,400/117,026,491.02
  6. Step 6: Final answer
    x = 89,442,783.66

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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.