Home / 133,528,546.40-200,292,819.60-100,791,780.80

Finding the Fourth Proportional to 133,528,546.40, 200,292,819.60 and 100,791,780.80

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Solution

The fourth proportional to 133,528,546.40, 200,292,819.60 and 100,791,780.80 is: 151,187,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,528,546.40 : 200,292,819.60 = 100,791,780.80 : x
  2. Step 2: Convert to fraction form
    133,528,546.40/200,292,819.60 = 100,791,780.80/x
  3. Step 3: Cross multiply
    133,528,546.40x = 200,292,819.60 × 100,791,780.80
  4. Step 4: Simplify right side
    133,528,546.40x = 20,187,869,968,937,144
  5. Step 5: Solve for x
    x = 20,187,869,968,937,144/133,528,546.40
  6. Step 6: Final answer
    x = 151,187,671.20

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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.