Home / 84,425,627,097.60-126,763,404,076.80-47,234,897,779.20

Finding the Fourth Proportional to 84,425,627,097.60, 126,763,404,076.80 and 47,234,897,779.20

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Solution

The fourth proportional to 84,425,627,097.60, 126,763,404,076.80 and 47,234,897,779.20 is: 70,922,261,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,425,627,097.60 : 126,763,404,076.80 = 47,234,897,779.20 : x
  2. Step 2: Convert to fraction form
    84,425,627,097.60/126,763,404,076.80 = 47,234,897,779.20/x
  3. Step 3: Cross multiply
    84,425,627,097.60x = 126,763,404,076.80 × 47,234,897,779.20
  4. Step 4: Simplify right side
    84,425,627,097.60x = 5,987,656,433,711,072,673,792
  5. Step 5: Solve for x
    x = 5,987,656,433,711,072,673,792/84,425,627,097.60
  6. Step 6: Final answer
    x = 70,922,261,871.85

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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.