Home / 137,133,744.73-189,235,250.73-75,258,069.10

Finding the Fourth Proportional to 137,133,744.73, 189,235,250.73 and 75,258,069.10

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Solution

The fourth proportional to 137,133,744.73, 189,235,250.73 and 75,258,069.10 is: 103,851,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,133,744.73 : 189,235,250.73 = 75,258,069.10 : x
  2. Step 2: Convert to fraction form
    137,133,744.73/189,235,250.73 = 75,258,069.10/x
  3. Step 3: Cross multiply
    137,133,744.73x = 189,235,250.73 × 75,258,069.10
  4. Step 4: Simplify right side
    137,133,744.73x = 14,241,479,575,121,076
  5. Step 5: Solve for x
    x = 14,241,479,575,121,076/137,133,744.73
  6. Step 6: Final answer
    x = 103,851,022.25

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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.