Home / 255,548,878.74-383,169,790.67-99,917,271.27

Finding the Fourth Proportional to 255,548,878.74, 383,169,790.67 and 99,917,271.27

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Solution

The fourth proportional to 255,548,878.74, 383,169,790.67 and 99,917,271.27 is: 149,815,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,548,878.74 : 383,169,790.67 = 99,917,271.27 : x
  2. Step 2: Convert to fraction form
    255,548,878.74/383,169,790.67 = 99,917,271.27/x
  3. Step 3: Cross multiply
    255,548,878.74x = 383,169,790.67 × 99,917,271.27
  4. Step 4: Simplify right side
    255,548,878.74x = 38,285,279,916,343,920
  5. Step 5: Solve for x
    x = 38,285,279,916,343,920/255,548,878.74
  6. Step 6: Final answer
    x = 149,815,879.08

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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.