Home / 102,383,999.60-153,575,999.40-67,946,622.80

Finding the Fourth Proportional to 102,383,999.60, 153,575,999.40 and 67,946,622.80

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Solution

The fourth proportional to 102,383,999.60, 153,575,999.40 and 67,946,622.80 is: 101,919,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,383,999.60 : 153,575,999.40 = 67,946,622.80 : x
  2. Step 2: Convert to fraction form
    102,383,999.60/153,575,999.40 = 67,946,622.80/x
  3. Step 3: Cross multiply
    102,383,999.60x = 153,575,999.40 × 67,946,622.80
  4. Step 4: Simplify right side
    102,383,999.60x = 10,434,970,502,364,826
  5. Step 5: Solve for x
    x = 10,434,970,502,364,826/102,383,999.60
  6. Step 6: Final answer
    x = 101,919,934.20

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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.