Home / 51,731,277.96-71,390,887.02-28,211,101.41

Finding the Fourth Proportional to 51,731,277.96, 71,390,887.02 and 28,211,101.41

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Solution

The fourth proportional to 51,731,277.96, 71,390,887.02 and 28,211,101.41 is: 38,932,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731,277.96 : 71,390,887.02 = 28,211,101.41 : x
  2. Step 2: Convert to fraction form
    51,731,277.96/71,390,887.02 = 28,211,101.41/x
  3. Step 3: Cross multiply
    51,731,277.96x = 71,390,887.02 × 28,211,101.41
  4. Step 4: Simplify right side
    51,731,277.96x = 2,014,015,553,471,072.50
  5. Step 5: Solve for x
    x = 2,014,015,553,471,072.50/51,731,277.96
  6. Step 6: Final answer
    x = 38,932,259.80

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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.