Home / 133,039,221.60-199,390,870.80-117,922,677.60

Finding the Fourth Proportional to 133,039,221.60, 199,390,870.80 and 117,922,677.60

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Solution

The fourth proportional to 133,039,221.60, 199,390,870.80 and 117,922,677.60 is: 176,735,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039,221.60 : 199,390,870.80 = 117,922,677.60 : x
  2. Step 2: Convert to fraction form
    133,039,221.60/199,390,870.80 = 117,922,677.60/x
  3. Step 3: Cross multiply
    133,039,221.60x = 199,390,870.80 × 117,922,677.60
  4. Step 4: Simplify right side
    133,039,221.60x = 23,512,705,373,731,656
  5. Step 5: Solve for x
    x = 23,512,705,373,731,656/133,039,221.60
  6. Step 6: Final answer
    x = 176,735,139.39

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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.