Home / 71,936,673.60-107,905,010.40-64,378,401.60

Finding the Fourth Proportional to 71,936,673.60, 107,905,010.40 and 64,378,401.60

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Solution

The fourth proportional to 71,936,673.60, 107,905,010.40 and 64,378,401.60 is: 96,567,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,936,673.60 : 107,905,010.40 = 64,378,401.60 : x
  2. Step 2: Convert to fraction form
    71,936,673.60/107,905,010.40 = 64,378,401.60/x
  3. Step 3: Cross multiply
    71,936,673.60x = 107,905,010.40 × 64,378,401.60
  4. Step 4: Simplify right side
    71,936,673.60x = 6,946,752,094,183,377
  5. Step 5: Solve for x
    x = 6,946,752,094,183,377/71,936,673.60
  6. Step 6: Final answer
    x = 96,567,602.40

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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.