Home / 255,612,099.60-383,670,091.80-126,365,648.40

Finding the Fourth Proportional to 255,612,099.60, 383,670,091.80 and 126,365,648.40

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Solution

The fourth proportional to 255,612,099.60, 383,670,091.80 and 126,365,648.40 is: 189,673,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,612,099.60 : 383,670,091.80 = 126,365,648.40 : x
  2. Step 2: Convert to fraction form
    255,612,099.60/383,670,091.80 = 126,365,648.40/x
  3. Step 3: Cross multiply
    255,612,099.60x = 383,670,091.80 × 126,365,648.40
  4. Step 4: Simplify right side
    255,612,099.60x = 48,482,719,921,994,528
  5. Step 5: Solve for x
    x = 48,482,719,921,994,528/255,612,099.60
  6. Step 6: Final answer
    x = 189,673,024.08

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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.