Home / 253,604,386.67-380,536,739.23-120,807,632.80

Finding the Fourth Proportional to 253,604,386.67, 380,536,739.23 and 120,807,632.80

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Solution

The fourth proportional to 253,604,386.67, 380,536,739.23 and 120,807,632.80 is: 181,273,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,604,386.67 : 380,536,739.23 = 120,807,632.80 : x
  2. Step 2: Convert to fraction form
    253,604,386.67/380,536,739.23 = 120,807,632.80/x
  3. Step 3: Cross multiply
    253,604,386.67x = 380,536,739.23 × 120,807,632.80
  4. Step 4: Simplify right side
    253,604,386.67x = 45,971,742,659,848,392
  5. Step 5: Solve for x
    x = 45,971,742,659,848,392/253,604,386.67
  6. Step 6: Final answer
    x = 181,273,452.18

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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.