Home / 151,900,541.19-209,623,388.94-82,285,921.98

Finding the Fourth Proportional to 151,900,541.19, 209,623,388.94 and 82,285,921.98

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Solution

The fourth proportional to 151,900,541.19, 209,623,388.94 and 82,285,921.98 is: 113,554,920.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,900,541.19 : 209,623,388.94 = 82,285,921.98 : x
  2. Step 2: Convert to fraction form
    151,900,541.19/209,623,388.94 = 82,285,921.98/x
  3. Step 3: Cross multiply
    151,900,541.19x = 209,623,388.94 × 82,285,921.98
  4. Step 4: Simplify right side
    151,900,541.19x = 17,249,053,827,500,036
  5. Step 5: Solve for x
    x = 17,249,053,827,500,036/151,900,541.19
  6. Step 6: Final answer
    x = 113,554,920.16

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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.