Home / 117,143,297.68-161,665,532.16-64,934,533.84

Finding the Fourth Proportional to 117,143,297.68, 161,665,532.16 and 64,934,533.84

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Solution

The fourth proportional to 117,143,297.68, 161,665,532.16 and 64,934,533.84 is: 89,613,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,143,297.68 : 161,665,532.16 = 64,934,533.84 : x
  2. Step 2: Convert to fraction form
    117,143,297.68/161,665,532.16 = 64,934,533.84/x
  3. Step 3: Cross multiply
    117,143,297.68x = 161,665,532.16 × 64,934,533.84
  4. Step 4: Simplify right side
    117,143,297.68x = 10,497,675,968,805,128
  5. Step 5: Solve for x
    x = 10,497,675,968,805,128/117,143,297.68
  6. Step 6: Final answer
    x = 89,613,970.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.