Home / 187,721,318.40-259,055,977.38-104,095,340.34

Finding the Fourth Proportional to 187,721,318.40, 259,055,977.38 and 104,095,340.34

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Solution

The fourth proportional to 187,721,318.40, 259,055,977.38 and 104,095,340.34 is: 143,651,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,721,318.40 : 259,055,977.38 = 104,095,340.34 : x
  2. Step 2: Convert to fraction form
    187,721,318.40/259,055,977.38 = 104,095,340.34/x
  3. Step 3: Cross multiply
    187,721,318.40x = 259,055,977.38 × 104,095,340.34
  4. Step 4: Simplify right side
    187,721,318.40x = 26,966,520,132,482,440
  5. Step 5: Solve for x
    x = 26,966,520,132,482,440/187,721,318.40
  6. Step 6: Final answer
    x = 143,651,879.09

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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.