Home / 144,967,915.40-200,055,752.87-79,777,819.40

Finding the Fourth Proportional to 144,967,915.40, 200,055,752.87 and 79,777,819.40

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Solution

The fourth proportional to 144,967,915.40, 200,055,752.87 and 79,777,819.40 is: 110,093,407.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,967,915.40 : 200,055,752.87 = 79,777,819.40 : x
  2. Step 2: Convert to fraction form
    144,967,915.40/200,055,752.87 = 79,777,819.40/x
  3. Step 3: Cross multiply
    144,967,915.40x = 200,055,752.87 × 79,777,819.40
  4. Step 4: Simplify right side
    144,967,915.40x = 15,960,011,720,994,724
  5. Step 5: Solve for x
    x = 15,960,011,720,994,724/144,967,915.40
  6. Step 6: Final answer
    x = 110,093,407.07

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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.