Home / 387,339,361.55-581,043,933.65-125,030,131.87

Finding the Fourth Proportional to 387,339,361.55, 581,043,933.65 and 125,030,131.87

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Solution

The fourth proportional to 387,339,361.55, 581,043,933.65 and 125,030,131.87 is: 187,556,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,339,361.55 : 581,043,933.65 = 125,030,131.87 : x
  2. Step 2: Convert to fraction form
    387,339,361.55/581,043,933.65 = 125,030,131.87/x
  3. Step 3: Cross multiply
    387,339,361.55x = 581,043,933.65 × 125,030,131.87
  4. Step 4: Simplify right side
    387,339,361.55x = 72,647,999,646,523,024
  5. Step 5: Solve for x
    x = 72,647,999,646,523,024/387,339,361.55
  6. Step 6: Final answer
    x = 187,556,460.45

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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.