Home / 84,588,487.72-116,732,112.96-47,919,058.72

Finding the Fourth Proportional to 84,588,487.72, 116,732,112.96 and 47,919,058.72

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Solution

The fourth proportional to 84,588,487.72, 116,732,112.96 and 47,919,058.72 is: 66,128,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,588,487.72 : 116,732,112.96 = 47,919,058.72 : x
  2. Step 2: Convert to fraction form
    84,588,487.72/116,732,112.96 = 47,919,058.72/x
  3. Step 3: Cross multiply
    84,588,487.72x = 116,732,112.96 × 47,919,058.72
  4. Step 4: Simplify right side
    84,588,487.72x = 5,593,692,975,439,913
  5. Step 5: Solve for x
    x = 5,593,692,975,439,913/84,588,487.72
  6. Step 6: Final answer
    x = 66,128,300.98

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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.