Home / 119,815,106,420.63-165,350,044,353.31-66,351,078,938.64

Finding the Fourth Proportional to 119,815,106,420.63, 165,350,044,353.31 and 66,351,078,938.64

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Solution

The fourth proportional to 119,815,106,420.63, 165,350,044,353.31 and 66,351,078,938.64 is: 91,567,367,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,420.63 : 165,350,044,353.31 = 66,351,078,938.64 : x
  2. Step 2: Convert to fraction form
    119,815,106,420.63/165,350,044,353.31 = 66,351,078,938.64/x
  3. Step 3: Cross multiply
    119,815,106,420.63x = 165,350,044,353.31 × 66,351,078,938.64
  4. Step 4: Simplify right side
    119,815,106,420.63x = 10,971,153,845,394,096,521,216
  5. Step 5: Solve for x
    x = 10,971,153,845,394,096,521,216/119,815,106,420.63
  6. Step 6: Final answer
    x = 91,567,367,197.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.