Home / 152,506,389.47-210,560,168.55-117,161,245.06

Finding the Fourth Proportional to 152,506,389.47, 210,560,168.55 and 117,161,245.06

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Solution

The fourth proportional to 152,506,389.47, 210,560,168.55 and 117,161,245.06 is: 161,760,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,506,389.47 : 210,560,168.55 = 117,161,245.06 : x
  2. Step 2: Convert to fraction form
    152,506,389.47/210,560,168.55 = 117,161,245.06/x
  3. Step 3: Cross multiply
    152,506,389.47x = 210,560,168.55 × 117,161,245.06
  4. Step 4: Simplify right side
    152,506,389.47x = 24,669,491,507,273,236
  5. Step 5: Solve for x
    x = 24,669,491,507,273,236/152,506,389.47
  6. Step 6: Final answer
    x = 161,760,379.97

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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.