Home / 54,570,619.80-81,867,302.10-18,190,312.20

Finding the Fourth Proportional to 54,570,619.80, 81,867,302.10 and 18,190,312.20

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Solution

The fourth proportional to 54,570,619.80, 81,867,302.10 and 18,190,312.20 is: 27,289,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,570,619.80 : 81,867,302.10 = 18,190,312.20 : x
  2. Step 2: Convert to fraction form
    54,570,619.80/81,867,302.10 = 18,190,312.20/x
  3. Step 3: Cross multiply
    54,570,619.80x = 81,867,302.10 × 18,190,312.20
  4. Step 4: Simplify right side
    54,570,619.80x = 1,489,191,784,170,715.50
  5. Step 5: Solve for x
    x = 1,489,191,784,170,715.50/54,570,619.80
  6. Step 6: Final answer
    x = 27,289,259.12

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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.