Home / 83,728,221.40-125,592,332.10-45,408,093.40

Finding the Fourth Proportional to 83,728,221.40, 125,592,332.10 and 45,408,093.40

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Solution

The fourth proportional to 83,728,221.40, 125,592,332.10 and 45,408,093.40 is: 68,112,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,728,221.40 : 125,592,332.10 = 45,408,093.40 : x
  2. Step 2: Convert to fraction form
    83,728,221.40/125,592,332.10 = 45,408,093.40/x
  3. Step 3: Cross multiply
    83,728,221.40x = 125,592,332.10 × 45,408,093.40
  4. Step 4: Simplify right side
    83,728,221.40x = 5,702,908,346,320,618
  5. Step 5: Solve for x
    x = 5,702,908,346,320,618/83,728,221.40
  6. Step 6: Final answer
    x = 68,112,140.10

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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.