Home / 129,347,897.20-194,021,845.80-117,443,618.80

Finding the Fourth Proportional to 129,347,897.20, 194,021,845.80 and 117,443,618.80

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Solution

The fourth proportional to 129,347,897.20, 194,021,845.80 and 117,443,618.80 is: 176,165,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,347,897.20 : 194,021,845.80 = 117,443,618.80 : x
  2. Step 2: Convert to fraction form
    129,347,897.20/194,021,845.80 = 117,443,618.80/x
  3. Step 3: Cross multiply
    129,347,897.20x = 194,021,845.80 × 117,443,618.80
  4. Step 4: Simplify right side
    129,347,897.20x = 22,786,627,697,007,580
  5. Step 5: Solve for x
    x = 22,786,627,697,007,580/129,347,897.20
  6. Step 6: Final answer
    x = 176,165,428.20

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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.