Home / 121,116,896.40-181,675,344.60-56,546,814.90

Finding the Fourth Proportional to 121,116,896.40, 181,675,344.60 and 56,546,814.90

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Solution

The fourth proportional to 121,116,896.40, 181,675,344.60 and 56,546,814.90 is: 84,820,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116,896.40 : 181,675,344.60 = 56,546,814.90 : x
  2. Step 2: Convert to fraction form
    121,116,896.40/181,675,344.60 = 56,546,814.90/x
  3. Step 3: Cross multiply
    121,116,896.40x = 181,675,344.60 × 56,546,814.90
  4. Step 4: Simplify right side
    121,116,896.40x = 10,273,162,082,989,914
  5. Step 5: Solve for x
    x = 10,273,162,082,989,914/121,116,896.40
  6. Step 6: Final answer
    x = 84,820,222.35

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1.5x scale

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.