Home / 189,477,979.19-261,370,489.68-114,071,857.04

Finding the Fourth Proportional to 189,477,979.19, 261,370,489.68 and 114,071,857.04

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Solution

The fourth proportional to 189,477,979.19, 261,370,489.68 and 114,071,857.04 is: 157,353,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,477,979.19 : 261,370,489.68 = 114,071,857.04 : x
  2. Step 2: Convert to fraction form
    189,477,979.19/261,370,489.68 = 114,071,857.04/x
  3. Step 3: Cross multiply
    189,477,979.19x = 261,370,489.68 × 114,071,857.04
  4. Step 4: Simplify right side
    189,477,979.19x = 29,815,017,134,429,660
  5. Step 5: Solve for x
    x = 29,815,017,134,429,660/189,477,979.19
  6. Step 6: Final answer
    x = 157,353,468.00

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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.