Home / 102,384,109.90-153,576,164.85-66,104,404.30

Finding the Fourth Proportional to 102,384,109.90, 153,576,164.85 and 66,104,404.30

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Solution

The fourth proportional to 102,384,109.90, 153,576,164.85 and 66,104,404.30 is: 99,156,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,384,109.90 : 153,576,164.85 = 66,104,404.30 : x
  2. Step 2: Convert to fraction form
    102,384,109.90/153,576,164.85 = 66,104,404.30/x
  3. Step 3: Cross multiply
    102,384,109.90x = 153,576,164.85 × 66,104,404.30
  4. Step 4: Simplify right side
    102,384,109.90x = 10,152,060,892,087,848
  5. Step 5: Solve for x
    x = 10,152,060,892,087,848/102,384,109.90
  6. Step 6: Final answer
    x = 99,156,606.45

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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.