Home / 100,171,038.04-138,235,724.31-55,519,857.34

Finding the Fourth Proportional to 100,171,038.04, 138,235,724.31 and 55,519,857.34

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Solution

The fourth proportional to 100,171,038.04, 138,235,724.31 and 55,519,857.34 is: 76,617,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,171,038.04 : 138,235,724.31 = 55,519,857.34 : x
  2. Step 2: Convert to fraction form
    100,171,038.04/138,235,724.31 = 55,519,857.34/x
  3. Step 3: Cross multiply
    100,171,038.04x = 138,235,724.31 × 55,519,857.34
  4. Step 4: Simplify right side
    100,171,038.04x = 7,674,827,692,982,771
  5. Step 5: Solve for x
    x = 7,674,827,692,982,771/100,171,038.04
  6. Step 6: Final answer
    x = 76,617,232.32

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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.