Home / 255,612,116.60-383,670,117.30-126,365,665.40

Finding the Fourth Proportional to 255,612,116.60, 383,670,117.30 and 126,365,665.40

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Solution

The fourth proportional to 255,612,116.60, 383,670,117.30 and 126,365,665.40 is: 189,673,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,612,116.60 : 383,670,117.30 = 126,365,665.40 : x
  2. Step 2: Convert to fraction form
    255,612,116.60/383,670,117.30 = 126,365,665.40/x
  3. Step 3: Cross multiply
    255,612,116.60x = 383,670,117.30 × 126,365,665.40
  4. Step 4: Simplify right side
    255,612,116.60x = 48,482,729,666,710,552
  5. Step 5: Solve for x
    x = 48,482,729,666,710,552/255,612,116.60
  6. Step 6: Final answer
    x = 189,673,049.59

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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.