Home / 53,348,178.78-73,620,561.42-28,901,892.78

Finding the Fourth Proportional to 53,348,178.78, 73,620,561.42 and 28,901,892.78

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Solution

The fourth proportional to 53,348,178.78, 73,620,561.42 and 28,901,892.78 is: 39,884,652.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,348,178.78 : 73,620,561.42 = 28,901,892.78 : x
  2. Step 2: Convert to fraction form
    53,348,178.78/73,620,561.42 = 28,901,892.78/x
  3. Step 3: Cross multiply
    53,348,178.78x = 73,620,561.42 × 28,901,892.78
  4. Step 4: Simplify right side
    53,348,178.78x = 2,127,773,572,564,244.75
  5. Step 5: Solve for x
    x = 2,127,773,572,564,244.75/53,348,178.78
  6. Step 6: Final answer
    x = 39,884,652.51

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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.