Home / 103,194,314.49-154,813,866.62-31,388,864.25

Finding the Fourth Proportional to 103,194,314.49, 154,813,866.62 and 31,388,864.25

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Solution

The fourth proportional to 103,194,314.49, 154,813,866.62 and 31,388,864.25 is: 47,090,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,194,314.49 : 154,813,866.62 = 31,388,864.25 : x
  2. Step 2: Convert to fraction form
    103,194,314.49/154,813,866.62 = 31,388,864.25/x
  3. Step 3: Cross multiply
    103,194,314.49x = 154,813,866.62 × 31,388,864.25
  4. Step 4: Simplify right side
    103,194,314.49x = 4,859,431,443,195,842
  5. Step 5: Solve for x
    x = 4,859,431,443,195,842/103,194,314.49
  6. Step 6: Final answer
    x = 47,090,108.28

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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.