Home / 118,341,388.60-177,512,082.90-66,685,323.40

Finding the Fourth Proportional to 118,341,388.60, 177,512,082.90 and 66,685,323.40

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Solution

The fourth proportional to 118,341,388.60, 177,512,082.90 and 66,685,323.40 is: 100,027,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,388.60 : 177,512,082.90 = 66,685,323.40 : x
  2. Step 2: Convert to fraction form
    118,341,388.60/177,512,082.90 = 66,685,323.40/x
  3. Step 3: Cross multiply
    118,341,388.60x = 177,512,082.90 × 66,685,323.40
  4. Step 4: Simplify right side
    118,341,388.60x = 11,837,450,655,594,110
  5. Step 5: Solve for x
    x = 11,837,450,655,594,110/118,341,388.60
  6. Step 6: Final answer
    x = 100,027,985.10

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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.