Home / 143,289,447.40-214,934,171.10-140,897,962.90

Finding the Fourth Proportional to 143,289,447.40, 214,934,171.10 and 140,897,962.90

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Solution

The fourth proportional to 143,289,447.40, 214,934,171.10 and 140,897,962.90 is: 211,346,944.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,289,447.40 : 214,934,171.10 = 140,897,962.90 : x
  2. Step 2: Convert to fraction form
    143,289,447.40/214,934,171.10 = 140,897,962.90/x
  3. Step 3: Cross multiply
    143,289,447.40x = 214,934,171.10 × 140,897,962.90
  4. Step 4: Simplify right side
    143,289,447.40x = 30,283,786,865,590,052
  5. Step 5: Solve for x
    x = 30,283,786,865,590,052/143,289,447.40
  6. Step 6: Final answer
    x = 211,346,944.35

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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.