Home / 117,280,081.80-176,298,036.30-83,435,819.40

Finding the Fourth Proportional to 117,280,081.80, 176,298,036.30 and 83,435,819.40

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Solution

The fourth proportional to 117,280,081.80, 176,298,036.30 and 83,435,819.40 is: 125,422,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,280,081.80 : 176,298,036.30 = 83,435,819.40 : x
  2. Step 2: Convert to fraction form
    117,280,081.80/176,298,036.30 = 83,435,819.40/x
  3. Step 3: Cross multiply
    117,280,081.80x = 176,298,036.30 × 83,435,819.40
  4. Step 4: Simplify right side
    117,280,081.80x = 14,709,571,117,301,446
  5. Step 5: Solve for x
    x = 14,709,571,117,301,446/117,280,081.80
  6. Step 6: Final answer
    x = 125,422,585.76

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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.