Home / 126,749,771,999.60-190,124,657,999.40-117,171,929,721.20

Finding the Fourth Proportional to 126,749,771,999.60, 190,124,657,999.40 and 117,171,929,721.20

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Solution

The fourth proportional to 126,749,771,999.60, 190,124,657,999.40 and 117,171,929,721.20 is: 175,757,894,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749,771,999.60 : 190,124,657,999.40 = 117,171,929,721.20 : x
  2. Step 2: Convert to fraction form
    126,749,771,999.60/190,124,657,999.40 = 117,171,929,721.20/x
  3. Step 3: Cross multiply
    126,749,771,999.60x = 190,124,657,999.40 × 117,171,929,721.20
  4. Step 4: Simplify right side
    126,749,771,999.60x = 22,277,273,065,372,881,256,448
  5. Step 5: Solve for x
    x = 22,277,273,065,372,881,256,448/126,749,771,999.60
  6. Step 6: Final answer
    x = 175,757,894,581.80

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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.