Home / 61,308,941.40-91,963,412.10-54,408,000.60

Finding the Fourth Proportional to 61,308,941.40, 91,963,412.10 and 54,408,000.60

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Solution

The fourth proportional to 61,308,941.40, 91,963,412.10 and 54,408,000.60 is: 81,612,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,308,941.40 : 91,963,412.10 = 54,408,000.60 : x
  2. Step 2: Convert to fraction form
    61,308,941.40/91,963,412.10 = 54,408,000.60/x
  3. Step 3: Cross multiply
    61,308,941.40x = 91,963,412.10 × 54,408,000.60
  4. Step 4: Simplify right side
    61,308,941.40x = 5,003,545,380,714,847
  5. Step 5: Solve for x
    x = 5,003,545,380,714,847/61,308,941.40
  6. Step 6: Final answer
    x = 81,612,000.90

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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.