Home / 99,076,171.20-148,614,256.80-64,638,794.40

Finding the Fourth Proportional to 99,076,171.20, 148,614,256.80 and 64,638,794.40

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Solution

The fourth proportional to 99,076,171.20, 148,614,256.80 and 64,638,794.40 is: 96,958,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076,171.20 : 148,614,256.80 = 64,638,794.40 : x
  2. Step 2: Convert to fraction form
    99,076,171.20/148,614,256.80 = 64,638,794.40/x
  3. Step 3: Cross multiply
    99,076,171.20x = 148,614,256.80 × 64,638,794.40
  4. Step 4: Simplify right side
    99,076,171.20x = 9,606,246,390,204,002
  5. Step 5: Solve for x
    x = 9,606,246,390,204,002/99,076,171.20
  6. Step 6: Final answer
    x = 96,958,191.60

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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.