Home / 100,316,734,039.53-138,437,115,571.90-55,206,460,851.58

Finding the Fourth Proportional to 100,316,734,039.53, 138,437,115,571.90 and 55,206,460,851.58

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Solution

The fourth proportional to 100,316,734,039.53, 138,437,115,571.90 and 55,206,460,851.58 is: 76,184,928,410.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316,734,039.53 : 138,437,115,571.90 = 55,206,460,851.58 : x
  2. Step 2: Convert to fraction form
    100,316,734,039.53/138,437,115,571.90 = 55,206,460,851.58/x
  3. Step 3: Cross multiply
    100,316,734,039.53x = 138,437,115,571.90 × 55,206,460,851.58
  4. Step 4: Simplify right side
    100,316,734,039.53x = 7,642,623,201,226,306,617,344
  5. Step 5: Solve for x
    x = 7,642,623,201,226,306,617,344/100,316,734,039.53
  6. Step 6: Final answer
    x = 76,184,928,410.99

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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.