Home / 99,842,904.90-149,693,498.55-38,408,325.30

Finding the Fourth Proportional to 99,842,904.90, 149,693,498.55 and 38,408,325.30

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Solution

The fourth proportional to 99,842,904.90, 149,693,498.55 and 38,408,325.30 is: 57,585,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,842,904.90 : 149,693,498.55 = 38,408,325.30 : x
  2. Step 2: Convert to fraction form
    99,842,904.90/149,693,498.55 = 38,408,325.30/x
  3. Step 3: Cross multiply
    99,842,904.90x = 149,693,498.55 × 38,408,325.30
  4. Step 4: Simplify right side
    99,842,904.90x = 5,749,476,587,603,478
  5. Step 5: Solve for x
    x = 5,749,476,587,603,478/99,842,904.90
  6. Step 6: Final answer
    x = 57,585,229.45

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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.