Home / 148,975,513.90-223,463,270.85-72,448,009.90

Finding the Fourth Proportional to 148,975,513.90, 223,463,270.85 and 72,448,009.90

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Solution

The fourth proportional to 148,975,513.90, 223,463,270.85 and 72,448,009.90 is: 108,672,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,975,513.90 : 223,463,270.85 = 72,448,009.90 : x
  2. Step 2: Convert to fraction form
    148,975,513.90/223,463,270.85 = 72,448,009.90/x
  3. Step 3: Cross multiply
    148,975,513.90x = 223,463,270.85 × 72,448,009.90
  4. Step 4: Simplify right side
    148,975,513.90x = 16,189,469,258,827,182
  5. Step 5: Solve for x
    x = 16,189,469,258,827,182/148,975,513.90
  6. Step 6: Final answer
    x = 108,672,014.85

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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.