Home / 133,056,206.60-199,584,309.90-75,725,313.80

Finding the Fourth Proportional to 133,056,206.60, 199,584,309.90 and 75,725,313.80

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Solution

The fourth proportional to 133,056,206.60, 199,584,309.90 and 75,725,313.80 is: 113,587,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056,206.60 : 199,584,309.90 = 75,725,313.80 : x
  2. Step 2: Convert to fraction form
    133,056,206.60/199,584,309.90 = 75,725,313.80/x
  3. Step 3: Cross multiply
    133,056,206.60x = 199,584,309.90 × 75,725,313.80
  4. Step 4: Simplify right side
    133,056,206.60x = 15,113,584,496,733,946
  5. Step 5: Solve for x
    x = 15,113,584,496,733,946/133,056,206.60
  6. Step 6: Final answer
    x = 113,587,970.70

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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.