Home / 77,236,256,433.60-115,854,384,650.40-66,767,293,886.40

Finding the Fourth Proportional to 77,236,256,433.60, 115,854,384,650.40 and 66,767,293,886.40

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Solution

The fourth proportional to 77,236,256,433.60, 115,854,384,650.40 and 66,767,293,886.40 is: 100,150,940,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,236,256,433.60 : 115,854,384,650.40 = 66,767,293,886.40 : x
  2. Step 2: Convert to fraction form
    77,236,256,433.60/115,854,384,650.40 = 66,767,293,886.40/x
  3. Step 3: Cross multiply
    77,236,256,433.60x = 115,854,384,650.40 × 66,767,293,886.40
  4. Step 4: Simplify right side
    77,236,256,433.60x = 7,735,283,747,981,285,654,528
  5. Step 5: Solve for x
    x = 7,735,283,747,981,285,654,528/77,236,256,433.60
  6. Step 6: Final answer
    x = 100,150,940,829.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.