Home / 64,123,309.40-96,196,628.10-20,980,506.20

Finding the Fourth Proportional to 64,123,309.40, 96,196,628.10 and 20,980,506.20

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Solution

The fourth proportional to 64,123,309.40, 96,196,628.10 and 20,980,506.20 is: 31,474,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123,309.40 : 96,196,628.10 = 20,980,506.20 : x
  2. Step 2: Convert to fraction form
    64,123,309.40/96,196,628.10 = 20,980,506.20/x
  3. Step 3: Cross multiply
    64,123,309.40x = 96,196,628.10 × 20,980,506.20
  4. Step 4: Simplify right side
    64,123,309.40x = 2,018,253,952,271,144
  5. Step 5: Solve for x
    x = 2,018,253,952,271,144/64,123,309.40
  6. Step 6: Final answer
    x = 31,474,575.64

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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.