Home / 54,042,632.64-81,106,552.56-19,973,721.60

Finding the Fourth Proportional to 54,042,632.64, 81,106,552.56 and 19,973,721.60

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Solution

The fourth proportional to 54,042,632.64, 81,106,552.56 and 19,973,721.60 is: 29,976,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,042,632.64 : 81,106,552.56 = 19,973,721.60 : x
  2. Step 2: Convert to fraction form
    54,042,632.64/81,106,552.56 = 19,973,721.60/x
  3. Step 3: Cross multiply
    54,042,632.64x = 81,106,552.56 × 19,973,721.60
  4. Step 4: Simplify right side
    54,042,632.64x = 1,619,999,700,769,207.50
  5. Step 5: Solve for x
    x = 1,619,999,700,769,207.50/54,042,632.64
  6. Step 6: Final answer
    x = 29,976,328.35

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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.