Home / 211,463,762.90-317,188,664.66-86,962,082.90

Finding the Fourth Proportional to 211,463,762.90, 317,188,664.66 and 86,962,082.90

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Solution

The fourth proportional to 211,463,762.90, 317,188,664.66 and 86,962,082.90 is: 130,440,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,463,762.90 : 317,188,664.66 = 86,962,082.90 : x
  2. Step 2: Convert to fraction form
    211,463,762.90/317,188,664.66 = 86,962,082.90/x
  3. Step 3: Cross multiply
    211,463,762.90x = 317,188,664.66 × 86,962,082.90
  4. Step 4: Simplify right side
    211,463,762.90x = 27,583,386,951,103,224
  5. Step 5: Solve for x
    x = 27,583,386,951,103,224/211,463,762.90
  6. Step 6: Final answer
    x = 130,440,254.03

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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.