Home / 240,535,651.89-331,939,199.64-130,527,364.89

Finding the Fourth Proportional to 240,535,651.89, 331,939,199.64 and 130,527,364.89

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Solution

The fourth proportional to 240,535,651.89, 331,939,199.64 and 130,527,364.89 is: 180,127,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,535,651.89 : 331,939,199.64 = 130,527,364.89 : x
  2. Step 2: Convert to fraction form
    240,535,651.89/331,939,199.64 = 130,527,364.89/x
  3. Step 3: Cross multiply
    240,535,651.89x = 331,939,199.64 × 130,527,364.89
  4. Step 4: Simplify right side
    240,535,651.89x = 43,327,149,032,704,832
  5. Step 5: Solve for x
    x = 43,327,149,032,704,832/240,535,651.89
  6. Step 6: Final answer
    x = 180,127,763.57

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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.