Home / 151,891,964.48-209,611,917.42-82,277,345.36

Finding the Fourth Proportional to 151,891,964.48, 209,611,917.42 and 82,277,345.36

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Solution

The fourth proportional to 151,891,964.48, 209,611,917.42 and 82,277,345.36 is: 113,543,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,891,964.48 : 209,611,917.42 = 82,277,345.36 : x
  2. Step 2: Convert to fraction form
    151,891,964.48/209,611,917.42 = 82,277,345.36/x
  3. Step 3: Cross multiply
    151,891,964.48x = 209,611,917.42 × 82,277,345.36
  4. Step 4: Simplify right side
    151,891,964.48x = 17,246,312,121,137,138
  5. Step 5: Solve for x
    x = 17,246,312,121,137,138/151,891,964.48
  6. Step 6: Final answer
    x = 113,543,281.77

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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.