Home / 255,698,465.40-383,106,798.90-119,103,694.20

Finding the Fourth Proportional to 255,698,465.40, 383,106,798.90 and 119,103,694.20

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Solution

The fourth proportional to 255,698,465.40, 383,106,798.90 and 119,103,694.20 is: 178,450,171.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,698,465.40 : 383,106,798.90 = 119,103,694.20 : x
  2. Step 2: Convert to fraction form
    255,698,465.40/383,106,798.90 = 119,103,694.20/x
  3. Step 3: Cross multiply
    255,698,465.40x = 383,106,798.90 × 119,103,694.20
  4. Step 4: Simplify right side
    255,698,465.40x = 45,629,435,022,126,496
  5. Step 5: Solve for x
    x = 45,629,435,022,126,496/255,698,465.40
  6. Step 6: Final answer
    x = 178,450,171.58

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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.