Home / 85,588,663.34-118,112,355.41-48,920,021.66

Finding the Fourth Proportional to 85,588,663.34, 118,112,355.41 and 48,920,021.66

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Solution

The fourth proportional to 85,588,663.34, 118,112,355.41 and 48,920,021.66 is: 67,509,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588,663.34 : 118,112,355.41 = 48,920,021.66 : x
  2. Step 2: Convert to fraction form
    85,588,663.34/118,112,355.41 = 48,920,021.66/x
  3. Step 3: Cross multiply
    85,588,663.34x = 118,112,355.41 × 48,920,021.66
  4. Step 4: Simplify right side
    85,588,663.34x = 5,778,058,984,135,656
  5. Step 5: Solve for x
    x = 5,778,058,984,135,656/85,588,663.34
  6. Step 6: Final answer
    x = 67,509,629.89

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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.