Home / 255,612,117.10-383,670,118.05-126,365,665.90

Finding the Fourth Proportional to 255,612,117.10, 383,670,118.05 and 126,365,665.90

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Solution

The fourth proportional to 255,612,117.10, 383,670,118.05 and 126,365,665.90 is: 189,673,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,612,117.10 : 383,670,118.05 = 126,365,665.90 : x
  2. Step 2: Convert to fraction form
    255,612,117.10/383,670,118.05 = 126,365,665.90/x
  3. Step 3: Cross multiply
    255,612,117.10x = 383,670,118.05 × 126,365,665.90
  4. Step 4: Simplify right side
    255,612,117.10x = 48,482,729,953,319,864
  5. Step 5: Solve for x
    x = 48,482,729,953,319,864/255,612,117.10
  6. Step 6: Final answer
    x = 189,673,050.34

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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.