Home / 85,590,239.48-118,104,565.80-47,915,466.44

Finding the Fourth Proportional to 85,590,239.48, 118,104,565.80 and 47,915,466.44

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Solution

The fourth proportional to 85,590,239.48, 118,104,565.80 and 47,915,466.44 is: 66,117,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590,239.48 : 118,104,565.80 = 47,915,466.44 : x
  2. Step 2: Convert to fraction form
    85,590,239.48/118,104,565.80 = 47,915,466.44/x
  3. Step 3: Cross multiply
    85,590,239.48x = 118,104,565.80 × 47,915,466.44
  4. Step 4: Simplify right side
    85,590,239.48x = 5,659,035,359,000,671
  5. Step 5: Solve for x
    x = 5,659,035,359,000,671/85,590,239.48
  6. Step 6: Final answer
    x = 66,117,765.22

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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.