Home / 103,072,171.61-154,271,778.55-75,771,238.25

Finding the Fourth Proportional to 103,072,171.61, 154,271,778.55 and 75,771,238.25

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Solution

The fourth proportional to 103,072,171.61, 154,271,778.55 and 75,771,238.25 is: 113,409,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,072,171.61 : 154,271,778.55 = 75,771,238.25 : x
  2. Step 2: Convert to fraction form
    103,072,171.61/154,271,778.55 = 75,771,238.25/x
  3. Step 3: Cross multiply
    103,072,171.61x = 154,271,778.55 × 75,771,238.25
  4. Step 4: Simplify right side
    103,072,171.61x = 11,689,363,687,763,290
  5. Step 5: Solve for x
    x = 11,689,363,687,763,290/103,072,171.61
  6. Step 6: Final answer
    x = 113,409,502.34

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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.