Home / 51,779,081.66-71,456,647.59-28,259,126.94

Finding the Fourth Proportional to 51,779,081.66, 71,456,647.59 and 28,259,126.94

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Solution

The fourth proportional to 51,779,081.66, 71,456,647.59 and 28,259,126.94 is: 38,998,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779,081.66 : 71,456,647.59 = 28,259,126.94 : x
  2. Step 2: Convert to fraction form
    51,779,081.66/71,456,647.59 = 28,259,126.94/x
  3. Step 3: Cross multiply
    51,779,081.66x = 71,456,647.59 × 28,259,126.94
  4. Step 4: Simplify right side
    51,779,081.66x = 2,019,302,474,765,688
  5. Step 5: Solve for x
    x = 2,019,302,474,765,688/51,779,081.66
  6. Step 6: Final answer
    x = 38,998,421.95

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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.