Home / 109,955,906.60-164,792,142.30-66,779,277.80

Finding the Fourth Proportional to 109,955,906.60, 164,792,142.30 and 66,779,277.80

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Solution

The fourth proportional to 109,955,906.60, 164,792,142.30 and 66,779,277.80 is: 100,082,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,955,906.60 : 164,792,142.30 = 66,779,277.80 : x
  2. Step 2: Convert to fraction form
    109,955,906.60/164,792,142.30 = 66,779,277.80/x
  3. Step 3: Cross multiply
    109,955,906.60x = 164,792,142.30 × 66,779,277.80
  4. Step 4: Simplify right side
    109,955,906.60x = 11,004,700,249,908,832
  5. Step 5: Solve for x
    x = 11,004,700,249,908,832/109,955,906.60
  6. Step 6: Final answer
    x = 100,082,847.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.