Home / 136,345,832,256.78-188,163,059,415.39-76,198,799,568.06

Finding the Fourth Proportional to 136,345,832,256.78, 188,163,059,415.39 and 76,198,799,568.06

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Solution

The fourth proportional to 136,345,832,256.78, 188,163,059,415.39 and 76,198,799,568.06 is: 105,157,590,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,345,832,256.78 : 188,163,059,415.39 = 76,198,799,568.06 : x
  2. Step 2: Convert to fraction form
    136,345,832,256.78/188,163,059,415.39 = 76,198,799,568.06/x
  3. Step 3: Cross multiply
    136,345,832,256.78x = 188,163,059,415.39 × 76,198,799,568.06
  4. Step 4: Simplify right side
    136,345,832,256.78x = 14,337,799,250,506,269,327,360
  5. Step 5: Solve for x
    x = 14,337,799,250,506,269,327,360/136,345,832,256.78
  6. Step 6: Final answer
    x = 105,157,590,908.27

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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.