Home / 55,408,138.90-83,112,208.35-45,330,442.90

Finding the Fourth Proportional to 55,408,138.90, 83,112,208.35 and 45,330,442.90

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Solution

The fourth proportional to 55,408,138.90, 83,112,208.35 and 45,330,442.90 is: 67,995,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,408,138.90 : 83,112,208.35 = 45,330,442.90 : x
  2. Step 2: Convert to fraction form
    55,408,138.90/83,112,208.35 = 45,330,442.90/x
  3. Step 3: Cross multiply
    55,408,138.90x = 83,112,208.35 × 45,330,442.90
  4. Step 4: Simplify right side
    55,408,138.90x = 3,767,513,214,902,578
  5. Step 5: Solve for x
    x = 3,767,513,214,902,578/55,408,138.90
  6. Step 6: Final answer
    x = 67,995,664.35

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Similar ratio
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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.