Home / 100,316,734,286.48-138,437,115,912.16-55,206,461,098.56

Finding the Fourth Proportional to 100,316,734,286.48, 138,437,115,912.16 and 55,206,461,098.56

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Solution

The fourth proportional to 100,316,734,286.48, 138,437,115,912.16 and 55,206,461,098.56 is: 76,184,928,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316,734,286.48 : 138,437,115,912.16 = 55,206,461,098.56 : x
  2. Step 2: Convert to fraction form
    100,316,734,286.48/138,437,115,912.16 = 55,206,461,098.56/x
  3. Step 3: Cross multiply
    100,316,734,286.48x = 138,437,115,912.16 × 55,206,461,098.56
  4. Step 4: Simplify right side
    100,316,734,286.48x = 7,642,623,254,201,502,793,728
  5. Step 5: Solve for x
    x = 7,642,623,254,201,502,793,728/100,316,734,286.48
  6. Step 6: Final answer
    x = 76,184,928,751.53

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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.