Home / 277,483,971.40-382,896,983.74-153,693,647.80

Finding the Fourth Proportional to 277,483,971.40, 382,896,983.74 and 153,693,647.80

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Solution

The fourth proportional to 277,483,971.40, 382,896,983.74 and 153,693,647.80 is: 212,080,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,483,971.40 : 382,896,983.74 = 153,693,647.80 : x
  2. Step 2: Convert to fraction form
    277,483,971.40/382,896,983.74 = 153,693,647.80/x
  3. Step 3: Cross multiply
    277,483,971.40x = 382,896,983.74 × 153,693,647.80
  4. Step 4: Simplify right side
    277,483,971.40x = 58,848,834,162,617,896
  5. Step 5: Solve for x
    x = 58,848,834,162,617,896/277,483,971.40
  6. Step 6: Final answer
    x = 212,080,120.76

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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.