Home / 119,815,106,378.13-165,350,044,294.82-66,351,078,896.12

Finding the Fourth Proportional to 119,815,106,378.13, 165,350,044,294.82 and 66,351,078,896.12

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Solution

The fourth proportional to 119,815,106,378.13, 165,350,044,294.82 and 66,351,078,896.12 is: 91,567,367,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815,106,378.13 : 165,350,044,294.82 = 66,351,078,896.12 : x
  2. Step 2: Convert to fraction form
    119,815,106,378.13/165,350,044,294.82 = 66,351,078,896.12/x
  3. Step 3: Cross multiply
    119,815,106,378.13x = 165,350,044,294.82 × 66,351,078,896.12
  4. Step 4: Simplify right side
    119,815,106,378.13x = 10,971,153,834,481,712,889,856
  5. Step 5: Solve for x
    x = 10,971,153,834,481,712,889,856/119,815,106,378.13
  6. Step 6: Final answer
    x = 91,567,367,138.64

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1.5x scale

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.