Home / 208,070,198,130.48-287,136,650,333.88-113,023,109,183.28

Finding the Fourth Proportional to 208,070,198,130.48, 287,136,650,333.88 and 113,023,109,183.28

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Solution

The fourth proportional to 208,070,198,130.48, 287,136,650,333.88 and 113,023,109,183.28 is: 155,971,769,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,070,198,130.48 : 287,136,650,333.88 = 113,023,109,183.28 : x
  2. Step 2: Convert to fraction form
    208,070,198,130.48/287,136,650,333.88 = 113,023,109,183.28/x
  3. Step 3: Cross multiply
    208,070,198,130.48x = 287,136,650,333.88 × 113,023,109,183.28
  4. Step 4: Simplify right side
    208,070,198,130.48x = 32,453,076,981,207,409,885,184
  5. Step 5: Solve for x
    x = 32,453,076,981,207,409,885,184/208,070,198,130.48
  6. Step 6: Final answer
    x = 155,971,769,493.18

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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.