Home / 141,630,809.70-195,445,933.76-81,289,735.50

Finding the Fourth Proportional to 141,630,809.70, 195,445,933.76 and 81,289,735.50

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Solution

The fourth proportional to 141,630,809.70, 195,445,933.76 and 81,289,735.50 is: 112,177,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,630,809.70 : 195,445,933.76 = 81,289,735.50 : x
  2. Step 2: Convert to fraction form
    141,630,809.70/195,445,933.76 = 81,289,735.50/x
  3. Step 3: Cross multiply
    141,630,809.70x = 195,445,933.76 × 81,289,735.50
  4. Step 4: Simplify right side
    141,630,809.70x = 15,887,748,259,900,920
  5. Step 5: Solve for x
    x = 15,887,748,259,900,920/141,630,809.70
  6. Step 6: Final answer
    x = 112,177,204.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.