Home / 116,037,518.81-160,143,521.24-66,484,465.43

Finding the Fourth Proportional to 116,037,518.81, 160,143,521.24 and 66,484,465.43

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Solution

The fourth proportional to 116,037,518.81, 160,143,521.24 and 66,484,465.43 is: 91,755,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,037,518.81 : 160,143,521.24 = 66,484,465.43 : x
  2. Step 2: Convert to fraction form
    116,037,518.81/160,143,521.24 = 66,484,465.43/x
  3. Step 3: Cross multiply
    116,037,518.81x = 160,143,521.24 × 66,484,465.43
  4. Step 4: Simplify right side
    116,037,518.81x = 10,647,056,401,719,252
  5. Step 5: Solve for x
    x = 10,647,056,401,719,252/116,037,518.81
  6. Step 6: Final answer
    x = 91,755,291.83

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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.