Home / 142,884,006.40-214,326,009.60-141,876,236.80

Finding the Fourth Proportional to 142,884,006.40, 214,326,009.60 and 141,876,236.80

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Solution

The fourth proportional to 142,884,006.40, 214,326,009.60 and 141,876,236.80 is: 212,814,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,884,006.40 : 214,326,009.60 = 141,876,236.80 : x
  2. Step 2: Convert to fraction form
    142,884,006.40/214,326,009.60 = 141,876,236.80/x
  3. Step 3: Cross multiply
    142,884,006.40x = 214,326,009.60 × 141,876,236.80
  4. Step 4: Simplify right side
    142,884,006.40x = 30,407,767,690,408,676
  5. Step 5: Solve for x
    x = 30,407,767,690,408,676/142,884,006.40
  6. Step 6: Final answer
    x = 212,814,355.20

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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.