Home / 117,023,500.28-161,492,027.28-67,463,637.68

Finding the Fourth Proportional to 117,023,500.28, 161,492,027.28 and 67,463,637.68

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Solution

The fourth proportional to 117,023,500.28, 161,492,027.28 and 67,463,637.68 is: 93,099,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,023,500.28 : 161,492,027.28 = 67,463,637.68 : x
  2. Step 2: Convert to fraction form
    117,023,500.28/161,492,027.28 = 67,463,637.68/x
  3. Step 3: Cross multiply
    117,023,500.28x = 161,492,027.28 × 67,463,637.68
  4. Step 4: Simplify right side
    117,023,500.28x = 10,894,839,616,475,308
  5. Step 5: Solve for x
    x = 10,894,839,616,475,308/117,023,500.28
  6. Step 6: Final answer
    x = 93,099,587.60

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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.