Home / 99,076,287.60-148,614,431.40-64,638,910.80

Finding the Fourth Proportional to 99,076,287.60, 148,614,431.40 and 64,638,910.80

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Solution

The fourth proportional to 99,076,287.60, 148,614,431.40 and 64,638,910.80 is: 96,958,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,287.60 : 148,614,431.40 = 64,638,910.80 : x
  2. Step 2: Convert to fraction form
    99,076,287.60/148,614,431.40 = 64,638,910.80/x
  3. Step 3: Cross multiply
    99,076,287.60x = 148,614,431.40 × 64,638,910.80
  4. Step 4: Simplify right side
    99,076,287.60x = 9,606,274,974,857,320
  5. Step 5: Solve for x
    x = 9,606,274,974,857,320/99,076,287.60
  6. Step 6: Final answer
    x = 96,958,366.20

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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.