Home / 54,078,376.71-74,628,058.88-29,299,179.42

Finding the Fourth Proportional to 54,078,376.71, 74,628,058.88 and 29,299,179.42

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Solution

The fourth proportional to 54,078,376.71, 74,628,058.88 and 29,299,179.42 is: 40,432,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078,376.71 : 74,628,058.88 = 29,299,179.42 : x
  2. Step 2: Convert to fraction form
    54,078,376.71/74,628,058.88 = 29,299,179.42/x
  3. Step 3: Cross multiply
    54,078,376.71x = 74,628,058.88 × 29,299,179.42
  4. Step 4: Simplify right side
    54,078,376.71x = 2,186,540,886,518,303.75
  5. Step 5: Solve for x
    x = 2,186,540,886,518,303.75/54,078,376.71
  6. Step 6: Final answer
    x = 40,432,812.89

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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.