Home / 86,928,492.80-130,359,561.60-26,324,076.80

Finding the Fourth Proportional to 86,928,492.80, 130,359,561.60 and 26,324,076.80

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Solution

The fourth proportional to 86,928,492.80, 130,359,561.60 and 26,324,076.80 is: 39,476,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,928,492.80 : 130,359,561.60 = 26,324,076.80 : x
  2. Step 2: Convert to fraction form
    86,928,492.80/130,359,561.60 = 26,324,076.80/x
  3. Step 3: Cross multiply
    86,928,492.80x = 130,359,561.60 × 26,324,076.80
  4. Step 4: Simplify right side
    86,928,492.80x = 3,431,595,111,172,731
  5. Step 5: Solve for x
    x = 3,431,595,111,172,731/86,928,492.80
  6. Step 6: Final answer
    x = 39,476,068.21

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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.