Home / 193,108,839.60-289,663,259.40-56,808,001.20

Finding the Fourth Proportional to 193,108,839.60, 289,663,259.40 and 56,808,001.20

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Solution

The fourth proportional to 193,108,839.60, 289,663,259.40 and 56,808,001.20 is: 85,212,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,108,839.60 : 289,663,259.40 = 56,808,001.20 : x
  2. Step 2: Convert to fraction form
    193,108,839.60/289,663,259.40 = 56,808,001.20/x
  3. Step 3: Cross multiply
    193,108,839.60x = 289,663,259.40 × 56,808,001.20
  4. Step 4: Simplify right side
    193,108,839.60x = 16,455,190,787,591,110
  5. Step 5: Solve for x
    x = 16,455,190,787,591,110/193,108,839.60
  6. Step 6: Final answer
    x = 85,212,001.80

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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.