Home / 255,636,020.40-383,013,131.40-119,041,249.20

Finding the Fourth Proportional to 255,636,020.40, 383,013,131.40 and 119,041,249.20

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Solution

The fourth proportional to 255,636,020.40, 383,013,131.40 and 119,041,249.20 is: 178,356,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,636,020.40 : 383,013,131.40 = 119,041,249.20 : x
  2. Step 2: Convert to fraction form
    255,636,020.40/383,013,131.40 = 119,041,249.20/x
  3. Step 3: Cross multiply
    255,636,020.40x = 383,013,131.40 × 119,041,249.20
  4. Step 4: Simplify right side
    255,636,020.40x = 45,594,361,621,859,744
  5. Step 5: Solve for x
    x = 45,594,361,621,859,744/255,636,020.40
  6. Step 6: Final answer
    x = 178,356,561.61

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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.