Home / 53,842,760.31-80,784,495.09-21,076,746.42

Finding the Fourth Proportional to 53,842,760.31, 80,784,495.09 and 21,076,746.42

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Solution

The fourth proportional to 53,842,760.31, 80,784,495.09 and 21,076,746.42 is: 31,623,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,842,760.31 : 80,784,495.09 = 21,076,746.42 : x
  2. Step 2: Convert to fraction form
    53,842,760.31/80,784,495.09 = 21,076,746.42/x
  3. Step 3: Cross multiply
    53,842,760.31x = 80,784,495.09 × 21,076,746.42
  4. Step 4: Simplify right side
    53,842,760.31x = 1,702,674,317,679,665.25
  5. Step 5: Solve for x
    x = 1,702,674,317,679,665.25/53,842,760.31
  6. Step 6: Final answer
    x = 31,623,087.45

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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.