Home / 115,030,794.90-172,563,220.28-42,241,900.52

Finding the Fourth Proportional to 115,030,794.90, 172,563,220.28 and 42,241,900.52

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Solution

The fourth proportional to 115,030,794.90, 172,563,220.28 and 42,241,900.52 is: 63,369,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,030,794.90 : 172,563,220.28 = 42,241,900.52 : x
  2. Step 2: Convert to fraction form
    115,030,794.90/172,563,220.28 = 42,241,900.52/x
  3. Step 3: Cross multiply
    115,030,794.90x = 172,563,220.28 × 42,241,900.52
  4. Step 4: Simplify right side
    115,030,794.90x = 7,289,398,383,404,581
  5. Step 5: Solve for x
    x = 7,289,398,383,404,581/115,030,794.90
  6. Step 6: Final answer
    x = 63,369,103.81

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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.