Home / 128,496,960,200.70-177,327,411,930.39-70,631,657,723.25

Finding the Fourth Proportional to 128,496,960,200.70, 177,327,411,930.39 and 70,631,657,723.25

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Solution

The fourth proportional to 128,496,960,200.70, 177,327,411,930.39 and 70,631,657,723.25 is: 97,472,570,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,496,960,200.70 : 177,327,411,930.39 = 70,631,657,723.25 : x
  2. Step 2: Convert to fraction form
    128,496,960,200.70/177,327,411,930.39 = 70,631,657,723.25/x
  3. Step 3: Cross multiply
    128,496,960,200.70x = 177,327,411,930.39 × 70,631,657,723.25
  4. Step 4: Simplify right side
    128,496,960,200.70x = 12,524,929,064,417,066,221,568
  5. Step 5: Solve for x
    x = 12,524,929,064,417,066,221,568/128,496,960,200.70
  6. Step 6: Final answer
    x = 97,472,570,906.38

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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.