Home / 152,621,389.56-210,672,306.54-90,741,580.92

Finding the Fourth Proportional to 152,621,389.56, 210,672,306.54 and 90,741,580.92

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Solution

The fourth proportional to 152,621,389.56, 210,672,306.54 and 90,741,580.92 is: 125,255,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,621,389.56 : 210,672,306.54 = 90,741,580.92 : x
  2. Step 2: Convert to fraction form
    152,621,389.56/210,672,306.54 = 90,741,580.92/x
  3. Step 3: Cross multiply
    152,621,389.56x = 210,672,306.54 × 90,741,580.92
  4. Step 4: Simplify right side
    152,621,389.56x = 19,116,738,151,502,456
  5. Step 5: Solve for x
    x = 19,116,738,151,502,456/152,621,389.56
  6. Step 6: Final answer
    x = 125,255,956.63

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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.