Home / 51,779,086.16-71,456,653.80-28,259,131.44

Finding the Fourth Proportional to 51,779,086.16, 71,456,653.80 and 28,259,131.44

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Solution

The fourth proportional to 51,779,086.16, 71,456,653.80 and 28,259,131.44 is: 38,998,428.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,086.16 : 71,456,653.80 = 28,259,131.44 : x
  2. Step 2: Convert to fraction form
    51,779,086.16/71,456,653.80 = 28,259,131.44/x
  3. Step 3: Cross multiply
    51,779,086.16x = 71,456,653.80 × 28,259,131.44
  4. Step 4: Simplify right side
    51,779,086.16x = 2,019,302,971,996,775.50
  5. Step 5: Solve for x
    x = 2,019,302,971,996,775.50/51,779,086.16
  6. Step 6: Final answer
    x = 38,998,428.17

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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.