Home / 119,815,106,381.16-165,350,044,298.97-66,351,078,899.12

Finding the Fourth Proportional to 119,815,106,381.16, 165,350,044,298.97 and 66,351,078,899.12

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Solution

The fourth proportional to 119,815,106,381.16, 165,350,044,298.97 and 66,351,078,899.12 is: 91,567,367,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,381.16 : 165,350,044,298.97 = 66,351,078,899.12 : x
  2. Step 2: Convert to fraction form
    119,815,106,381.16/165,350,044,298.97 = 66,351,078,899.12/x
  3. Step 3: Cross multiply
    119,815,106,381.16x = 165,350,044,298.97 × 66,351,078,899.12
  4. Step 4: Simplify right side
    119,815,106,381.16x = 10,971,153,835,253,118,795,776
  5. Step 5: Solve for x
    x = 10,971,153,835,253,118,795,776/119,815,106,381.16
  6. Step 6: Final answer
    x = 91,567,367,142.77

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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.