Home / 119,815,106,370.85-165,350,044,284.77-66,351,078,888.86

Finding the Fourth Proportional to 119,815,106,370.85, 165,350,044,284.77 and 66,351,078,888.86

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Solution

The fourth proportional to 119,815,106,370.85, 165,350,044,284.77 and 66,351,078,888.86 is: 91,567,367,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,370.85 : 165,350,044,284.77 = 66,351,078,888.86 : x
  2. Step 2: Convert to fraction form
    119,815,106,370.85/165,350,044,284.77 = 66,351,078,888.86/x
  3. Step 3: Cross multiply
    119,815,106,370.85x = 165,350,044,284.77 × 66,351,078,888.86
  4. Step 4: Simplify right side
    119,815,106,370.85x = 10,971,153,832,615,268,581,376
  5. Step 5: Solve for x
    x = 10,971,153,832,615,268,581,376/119,815,106,370.85
  6. Step 6: Final answer
    x = 91,567,367,128.63

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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.