Home / 54,355,106.20-81,532,659.30-18,453,314.20

Finding the Fourth Proportional to 54,355,106.20, 81,532,659.30 and 18,453,314.20

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Solution

The fourth proportional to 54,355,106.20, 81,532,659.30 and 18,453,314.20 is: 27,679,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355,106.20 : 81,532,659.30 = 18,453,314.20 : x
  2. Step 2: Convert to fraction form
    54,355,106.20/81,532,659.30 = 18,453,314.20/x
  3. Step 3: Cross multiply
    54,355,106.20x = 81,532,659.30 × 18,453,314.20
  4. Step 4: Simplify right side
    54,355,106.20x = 1,504,547,779,624,452
  5. Step 5: Solve for x
    x = 1,504,547,779,624,452/54,355,106.20
  6. Step 6: Final answer
    x = 27,679,971.30

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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.