Home / 149,637,274.56-206,503,486.56-90,886,466.88

Finding the Fourth Proportional to 149,637,274.56, 206,503,486.56 and 90,886,466.88

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Solution

The fourth proportional to 149,637,274.56, 206,503,486.56 and 90,886,466.88 is: 125,425,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,637,274.56 : 206,503,486.56 = 90,886,466.88 : x
  2. Step 2: Convert to fraction form
    149,637,274.56/206,503,486.56 = 90,886,466.88/x
  3. Step 3: Cross multiply
    149,637,274.56x = 206,503,486.56 × 90,886,466.88
  4. Step 4: Simplify right side
    149,637,274.56x = 18,768,372,291,839,964
  5. Step 5: Solve for x
    x = 18,768,372,291,839,964/149,637,274.56
  6. Step 6: Final answer
    x = 125,425,782.76

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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.