Home / 87,415,365.60-131,123,048.40-61,885,202.40

Finding the Fourth Proportional to 87,415,365.60, 131,123,048.40 and 61,885,202.40

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Solution

The fourth proportional to 87,415,365.60, 131,123,048.40 and 61,885,202.40 is: 92,827,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,415,365.60 : 131,123,048.40 = 61,885,202.40 : x
  2. Step 2: Convert to fraction form
    87,415,365.60/131,123,048.40 = 61,885,202.40/x
  3. Step 3: Cross multiply
    87,415,365.60x = 131,123,048.40 × 61,885,202.40
  4. Step 4: Simplify right side
    87,415,365.60x = 8,114,576,389,538,996
  5. Step 5: Solve for x
    x = 8,114,576,389,538,996/87,415,365.60
  6. Step 6: Final answer
    x = 92,827,803.60

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1.5x scale

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.