Home / 152,379,285.51-210,279,837.24-89,659,445.88

Finding the Fourth Proportional to 152,379,285.51, 210,279,837.24 and 89,659,445.88

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Solution

The fourth proportional to 152,379,285.51, 210,279,837.24 and 89,659,445.88 is: 123,727,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,379,285.51 : 210,279,837.24 = 89,659,445.88 : x
  2. Step 2: Convert to fraction form
    152,379,285.51/210,279,837.24 = 89,659,445.88/x
  3. Step 3: Cross multiply
    152,379,285.51x = 210,279,837.24 × 89,659,445.88
  4. Step 4: Simplify right side
    152,379,285.51x = 18,853,573,686,674,988
  5. Step 5: Solve for x
    x = 18,853,573,686,674,988/152,379,285.51
  6. Step 6: Final answer
    x = 123,727,930.76

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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.