Home / 151,903,342.22-209,626,422.86-82,289,010.83

Finding the Fourth Proportional to 151,903,342.22, 209,626,422.86 and 82,289,010.83

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Solution

The fourth proportional to 151,903,342.22, 209,626,422.86 and 82,289,010.83 is: 113,558,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,903,342.22 : 209,626,422.86 = 82,289,010.83 : x
  2. Step 2: Convert to fraction form
    151,903,342.22/209,626,422.86 = 82,289,010.83/x
  3. Step 3: Cross multiply
    151,903,342.22x = 209,626,422.86 × 82,289,010.83
  4. Step 4: Simplify right side
    151,903,342.22x = 17,249,950,980,138,292
  5. Step 5: Solve for x
    x = 17,249,950,980,138,292/151,903,342.22
  6. Step 6: Final answer
    x = 113,558,732.34

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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.