Home / 151,165,759,401.08-208,615,085,552.42-86,936,533,858.51

Finding the Fourth Proportional to 151,165,759,401.08, 208,615,085,552.42 and 86,936,533,858.51

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Solution

The fourth proportional to 151,165,759,401.08, 208,615,085,552.42 and 86,936,533,858.51 is: 119,976,061,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,165,759,401.08 : 208,615,085,552.42 = 86,936,533,858.51 : x
  2. Step 2: Convert to fraction form
    151,165,759,401.08/208,615,085,552.42 = 86,936,533,858.51/x
  3. Step 3: Cross multiply
    151,165,759,401.08x = 208,615,085,552.42 × 86,936,533,858.51
  4. Step 4: Simplify right side
    151,165,759,401.08x = 18,136,272,448,523,920,736,256
  5. Step 5: Solve for x
    x = 18,136,272,448,523,920,736,256/151,165,759,401.08
  6. Step 6: Final answer
    x = 119,976,061,512.74

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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.