Home / 121,146,086.04-181,764,927.12-47,422,554.32

Finding the Fourth Proportional to 121,146,086.04, 181,764,927.12 and 47,422,554.32

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Solution

The fourth proportional to 121,146,086.04, 181,764,927.12 and 47,422,554.32 is: 71,151,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,146,086.04 : 181,764,927.12 = 47,422,554.32 : x
  2. Step 2: Convert to fraction form
    121,146,086.04/181,764,927.12 = 47,422,554.32/x
  3. Step 3: Cross multiply
    121,146,086.04x = 181,764,927.12 × 47,422,554.32
  4. Step 4: Simplify right side
    121,146,086.04x = 8,619,757,129,819,041
  5. Step 5: Solve for x
    x = 8,619,757,129,819,041/121,146,086.04
  6. Step 6: Final answer
    x = 71,151,759.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.