Home / 111,624,664.71-154,007,416.22-65,181,416.07

Finding the Fourth Proportional to 111,624,664.71, 154,007,416.22 and 65,181,416.07

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Solution

The fourth proportional to 111,624,664.71, 154,007,416.22 and 65,181,416.07 is: 89,930,137.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,624,664.71 : 154,007,416.22 = 65,181,416.07 : x
  2. Step 2: Convert to fraction form
    111,624,664.71/154,007,416.22 = 65,181,416.07/x
  3. Step 3: Cross multiply
    111,624,664.71x = 154,007,416.22 × 65,181,416.07
  4. Step 4: Simplify right side
    111,624,664.71x = 10,038,421,474,175,580
  5. Step 5: Solve for x
    x = 10,038,421,474,175,580/111,624,664.71
  6. Step 6: Final answer
    x = 89,930,137.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.