Home / 218,752,014.40-328,128,021.60-183,185,627.20

Finding the Fourth Proportional to 218,752,014.40, 328,128,021.60 and 183,185,627.20

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Solution

The fourth proportional to 218,752,014.40, 328,128,021.60 and 183,185,627.20 is: 274,778,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,752,014.40 : 328,128,021.60 = 183,185,627.20 : x
  2. Step 2: Convert to fraction form
    218,752,014.40/328,128,021.60 = 183,185,627.20/x
  3. Step 3: Cross multiply
    218,752,014.40x = 328,128,021.60 × 183,185,627.20
  4. Step 4: Simplify right side
    218,752,014.40x = 60,108,337,438,691,144
  5. Step 5: Solve for x
    x = 60,108,337,438,691,144/218,752,014.40
  6. Step 6: Final answer
    x = 274,778,440.80

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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.