Home / 87,156,114.40-130,734,171.60-77,600,965.60

Finding the Fourth Proportional to 87,156,114.40, 130,734,171.60 and 77,600,965.60

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Solution

The fourth proportional to 87,156,114.40, 130,734,171.60 and 77,600,965.60 is: 116,401,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156,114.40 : 130,734,171.60 = 77,600,965.60 : x
  2. Step 2: Convert to fraction form
    87,156,114.40/130,734,171.60 = 77,600,965.60/x
  3. Step 3: Cross multiply
    87,156,114.40x = 130,734,171.60 × 77,600,965.60
  4. Step 4: Simplify right side
    87,156,114.40x = 10,145,097,953,076,096
  5. Step 5: Solve for x
    x = 10,145,097,953,076,096/87,156,114.40
  6. Step 6: Final answer
    x = 116,401,448.40

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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.