Home / 129,230,661.44-178,339,451.76-70,493,587.52

Finding the Fourth Proportional to 129,230,661.44, 178,339,451.76 and 70,493,587.52

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Solution

The fourth proportional to 129,230,661.44, 178,339,451.76 and 70,493,587.52 is: 97,281,772.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,230,661.44 : 178,339,451.76 = 70,493,587.52 : x
  2. Step 2: Convert to fraction form
    129,230,661.44/178,339,451.76 = 70,493,587.52/x
  3. Step 3: Cross multiply
    129,230,661.44x = 178,339,451.76 × 70,493,587.52
  4. Step 4: Simplify right side
    129,230,661.44x = 12,571,787,750,912,376
  5. Step 5: Solve for x
    x = 12,571,787,750,912,376/129,230,661.44
  6. Step 6: Final answer
    x = 97,281,772.07

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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.