Home / 120,884,428.60-181,368,633.30-52,775,999.80

Finding the Fourth Proportional to 120,884,428.60, 181,368,633.30 and 52,775,999.80

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Solution

The fourth proportional to 120,884,428.60, 181,368,633.30 and 52,775,999.80 is: 79,182,331.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,884,428.60 : 181,368,633.30 = 52,775,999.80 : x
  2. Step 2: Convert to fraction form
    120,884,428.60/181,368,633.30 = 52,775,999.80/x
  3. Step 3: Cross multiply
    120,884,428.60x = 181,368,633.30 × 52,775,999.80
  4. Step 4: Simplify right side
    120,884,428.60x = 9,571,910,954,767,074
  5. Step 5: Solve for x
    x = 9,571,910,954,767,074/120,884,428.60
  6. Step 6: Final answer
    x = 79,182,331.96

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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.