Home / 54,328,500.90-81,492,751.35-13,938,984.90

Finding the Fourth Proportional to 54,328,500.90, 81,492,751.35 and 13,938,984.90

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Solution

The fourth proportional to 54,328,500.90, 81,492,751.35 and 13,938,984.90 is: 20,908,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,500.90 : 81,492,751.35 = 13,938,984.90 : x
  2. Step 2: Convert to fraction form
    54,328,500.90/81,492,751.35 = 13,938,984.90/x
  3. Step 3: Cross multiply
    54,328,500.90x = 81,492,751.35 × 13,938,984.90
  4. Step 4: Simplify right side
    54,328,500.90x = 1,135,926,230,527,104.50
  5. Step 5: Solve for x
    x = 1,135,926,230,527,104.50/54,328,500.90
  6. Step 6: Final answer
    x = 20,908,477.35

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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.