Home / 85,136,187,270.68-117,432,579,571.58-54,604,009,840.58

Finding the Fourth Proportional to 85,136,187,270.68, 117,432,579,571.58 and 54,604,009,840.58

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Solution

The fourth proportional to 85,136,187,270.68, 117,432,579,571.58 and 54,604,009,840.58 is: 75,318,027,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136,187,270.68 : 117,432,579,571.58 = 54,604,009,840.58 : x
  2. Step 2: Convert to fraction form
    85,136,187,270.68/117,432,579,571.58 = 54,604,009,840.58/x
  3. Step 3: Cross multiply
    85,136,187,270.68x = 117,432,579,571.58 × 54,604,009,840.58
  4. Step 4: Simplify right side
    85,136,187,270.68x = 6,412,289,730,531,014,213,632
  5. Step 5: Solve for x
    x = 6,412,289,730,531,014,213,632/85,136,187,270.68
  6. Step 6: Final answer
    x = 75,318,027,927.94

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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.