Home / 103,194,322.24-154,813,878.24-31,388,872

Finding the Fourth Proportional to 103,194,322.24, 154,813,878.24 and 31,388,872

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Solution

The fourth proportional to 103,194,322.24, 154,813,878.24 and 31,388,872 is: 47,090,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,194,322.24 : 154,813,878.24 = 31,388,872 : x
  2. Step 2: Convert to fraction form
    103,194,322.24/154,813,878.24 = 31,388,872/x
  3. Step 3: Cross multiply
    103,194,322.24x = 154,813,878.24 × 31,388,872
  4. Step 4: Simplify right side
    103,194,322.24x = 4,859,433,007,898,946
  5. Step 5: Solve for x
    x = 4,859,433,007,898,946/103,194,322.24
  6. Step 6: Final answer
    x = 47,090,119.91

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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.