Home / 55,143,214.60-82,717,932.30-16,805,979.40

Finding the Fourth Proportional to 55,143,214.60, 82,717,932.30 and 16,805,979.40

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Solution

The fourth proportional to 55,143,214.60, 82,717,932.30 and 16,805,979.40 is: 25,209,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,214.60 : 82,717,932.30 = 16,805,979.40 : x
  2. Step 2: Convert to fraction form
    55,143,214.60/82,717,932.30 = 16,805,979.40/x
  3. Step 3: Cross multiply
    55,143,214.60x = 82,717,932.30 × 16,805,979.40
  4. Step 4: Simplify right side
    55,143,214.60x = 1,390,155,866,244,394.50
  5. Step 5: Solve for x
    x = 1,390,155,866,244,394.50/55,143,214.60
  6. Step 6: Final answer
    x = 25,209,917.06

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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.