Home / 98,173,910.60-135,480,405.84-54,119,941.64

Finding the Fourth Proportional to 98,173,910.60, 135,480,405.84 and 54,119,941.64

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Solution

The fourth proportional to 98,173,910.60, 135,480,405.84 and 54,119,941.64 is: 74,685,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,173,910.60 : 135,480,405.84 = 54,119,941.64 : x
  2. Step 2: Convert to fraction form
    98,173,910.60/135,480,405.84 = 54,119,941.64/x
  3. Step 3: Cross multiply
    98,173,910.60x = 135,480,405.84 × 54,119,941.64
  4. Step 4: Simplify right side
    98,173,910.60x = 7,332,191,657,424,315
  5. Step 5: Solve for x
    x = 7,332,191,657,424,315/98,173,910.60
  6. Step 6: Final answer
    x = 74,685,745.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.