Home / 113,369,775.20-170,054,662.80-73,025,813.60

Finding the Fourth Proportional to 113,369,775.20, 170,054,662.80 and 73,025,813.60

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Solution

The fourth proportional to 113,369,775.20, 170,054,662.80 and 73,025,813.60 is: 109,538,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,369,775.20 : 170,054,662.80 = 73,025,813.60 : x
  2. Step 2: Convert to fraction form
    113,369,775.20/170,054,662.80 = 73,025,813.60/x
  3. Step 3: Cross multiply
    113,369,775.20x = 170,054,662.80 × 73,025,813.60
  4. Step 4: Simplify right side
    113,369,775.20x = 12,418,380,107,443,654
  5. Step 5: Solve for x
    x = 12,418,380,107,443,654/113,369,775.20
  6. Step 6: Final answer
    x = 109,538,720.40

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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.