Home / 119,815,106,419.63-165,350,044,351.93-66,351,078,937.64

Finding the Fourth Proportional to 119,815,106,419.63, 165,350,044,351.93 and 66,351,078,937.64

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Solution

The fourth proportional to 119,815,106,419.63, 165,350,044,351.93 and 66,351,078,937.64 is: 91,567,367,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,419.63 : 165,350,044,351.93 = 66,351,078,937.64 : x
  2. Step 2: Convert to fraction form
    119,815,106,419.63/165,350,044,351.93 = 66,351,078,937.64/x
  3. Step 3: Cross multiply
    119,815,106,419.63x = 165,350,044,351.93 × 66,351,078,937.64
  4. Step 4: Simplify right side
    119,815,106,419.63x = 10,971,153,845,136,356,540,416
  5. Step 5: Solve for x
    x = 10,971,153,845,136,356,540,416/119,815,106,419.63
  6. Step 6: Final answer
    x = 91,567,367,195.85

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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.