Home / 212,321,401.81-318,334,038.49-94,081,854.04

Finding the Fourth Proportional to 212,321,401.81, 318,334,038.49 and 94,081,854.04

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Solution

The fourth proportional to 212,321,401.81, 318,334,038.49 and 94,081,854.04 is: 141,057,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,321,401.81 : 318,334,038.49 = 94,081,854.04 : x
  2. Step 2: Convert to fraction form
    212,321,401.81/318,334,038.49 = 94,081,854.04/x
  3. Step 3: Cross multiply
    212,321,401.81x = 318,334,038.49 × 94,081,854.04
  4. Step 4: Simplify right side
    212,321,401.81x = 29,949,456,544,501,684
  5. Step 5: Solve for x
    x = 29,949,456,544,501,684/212,321,401.81
  6. Step 6: Final answer
    x = 141,057,172.24

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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.