Home / 210,022,377,080.80-289,830,894,524.40-114,975,217,112.80

Finding the Fourth Proportional to 210,022,377,080.80, 289,830,894,524.40 and 114,975,217,112.80

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Solution

The fourth proportional to 210,022,377,080.80, 289,830,894,524.40 and 114,975,217,112.80 is: 158,665,807,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,022,377,080.80 : 289,830,894,524.40 = 114,975,217,112.80 : x
  2. Step 2: Convert to fraction form
    210,022,377,080.80/289,830,894,524.40 = 114,975,217,112.80/x
  3. Step 3: Cross multiply
    210,022,377,080.80x = 289,830,894,524.40 × 114,975,217,112.80
  4. Step 4: Simplify right side
    210,022,377,080.80x = 33,323,370,023,939,930,587,136
  5. Step 5: Solve for x
    x = 33,323,370,023,939,930,587,136/210,022,377,080.80
  6. Step 6: Final answer
    x = 158,665,807,363.56

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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.