Home / 85,740,392,078.89-128,625,240,301.14-35,348,278,972.29

Finding the Fourth Proportional to 85,740,392,078.89, 128,625,240,301.14 and 35,348,278,972.29

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Solution

The fourth proportional to 85,740,392,078.89, 128,625,240,301.14 and 35,348,278,972.29 is: 53,028,459,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,740,392,078.89 : 128,625,240,301.14 = 35,348,278,972.29 : x
  2. Step 2: Convert to fraction form
    85,740,392,078.89/128,625,240,301.14 = 35,348,278,972.29/x
  3. Step 3: Cross multiply
    85,740,392,078.89x = 128,625,240,301.14 × 35,348,278,972.29
  4. Step 4: Simplify right side
    85,740,392,078.89x = 4,546,680,877,042,278,334,464
  5. Step 5: Solve for x
    x = 4,546,680,877,042,278,334,464/85,740,392,078.89
  6. Step 6: Final answer
    x = 53,028,459,128.80

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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.