Home / 154,138,389.35-231,195,956.27-49,089,486.92

Finding the Fourth Proportional to 154,138,389.35, 231,195,956.27 and 49,089,486.92

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Solution

The fourth proportional to 154,138,389.35, 231,195,956.27 and 49,089,486.92 is: 73,630,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,138,389.35 : 231,195,956.27 = 49,089,486.92 : x
  2. Step 2: Convert to fraction form
    154,138,389.35/231,195,956.27 = 49,089,486.92/x
  3. Step 3: Cross multiply
    154,138,389.35x = 231,195,956.27 × 49,089,486.92
  4. Step 4: Simplify right side
    154,138,389.35x = 11,349,290,869,871,628
  5. Step 5: Solve for x
    x = 11,349,290,869,871,628/154,138,389.35
  6. Step 6: Final answer
    x = 73,630,527.20

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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.