Home / 53,509,892.40-80,296,331.40-19,426,809.60

Finding the Fourth Proportional to 53,509,892.40, 80,296,331.40 and 19,426,809.60

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Solution

The fourth proportional to 53,509,892.40, 80,296,331.40 and 19,426,809.60 is: 29,151,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,509,892.40 : 80,296,331.40 = 19,426,809.60 : x
  2. Step 2: Convert to fraction form
    53,509,892.40/80,296,331.40 = 19,426,809.60/x
  3. Step 3: Cross multiply
    53,509,892.40x = 80,296,331.40 × 19,426,809.60
  4. Step 4: Simplify right side
    53,509,892.40x = 1,559,901,541,686,301.75
  5. Step 5: Solve for x
    x = 1,559,901,541,686,301.75/53,509,892.40
  6. Step 6: Final answer
    x = 29,151,647.89

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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.