Home / 218,819,234.60-328,228,851.90-127,896,021.80

Finding the Fourth Proportional to 218,819,234.60, 328,228,851.90 and 127,896,021.80

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Solution

The fourth proportional to 218,819,234.60, 328,228,851.90 and 127,896,021.80 is: 191,844,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,819,234.60 : 328,228,851.90 = 127,896,021.80 : x
  2. Step 2: Convert to fraction form
    218,819,234.60/328,228,851.90 = 127,896,021.80/x
  3. Step 3: Cross multiply
    218,819,234.60x = 328,228,851.90 × 127,896,021.80
  4. Step 4: Simplify right side
    218,819,234.60x = 41,979,164,397,991,368
  5. Step 5: Solve for x
    x = 41,979,164,397,991,368/218,819,234.60
  6. Step 6: Final answer
    x = 191,844,032.70

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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.