Home / 102,975,904.60-154,463,856.90-54,435,002.20

Finding the Fourth Proportional to 102,975,904.60, 154,463,856.90 and 54,435,002.20

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Solution

The fourth proportional to 102,975,904.60, 154,463,856.90 and 54,435,002.20 is: 81,652,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,975,904.60 : 154,463,856.90 = 54,435,002.20 : x
  2. Step 2: Convert to fraction form
    102,975,904.60/154,463,856.90 = 54,435,002.20/x
  3. Step 3: Cross multiply
    102,975,904.60x = 154,463,856.90 × 54,435,002.20
  4. Step 4: Simplify right side
    102,975,904.60x = 8,408,240,390,171,986
  5. Step 5: Solve for x
    x = 8,408,240,390,171,986/102,975,904.60
  6. Step 6: Final answer
    x = 81,652,503.30

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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.