Home / 176,720,348.20-264,957,355.86-78,298,557.52

Finding the Fourth Proportional to 176,720,348.20, 264,957,355.86 and 78,298,557.52

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Solution

The fourth proportional to 176,720,348.20, 264,957,355.86 and 78,298,557.52 is: 117,393,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,720,348.20 : 264,957,355.86 = 78,298,557.52 : x
  2. Step 2: Convert to fraction form
    176,720,348.20/264,957,355.86 = 78,298,557.52/x
  3. Step 3: Cross multiply
    176,720,348.20x = 264,957,355.86 × 78,298,557.52
  4. Step 4: Simplify right side
    176,720,348.20x = 20,745,778,768,151,320
  5. Step 5: Solve for x
    x = 20,745,778,768,151,320/176,720,348.20
  6. Step 6: Final answer
    x = 117,393,265.57

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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.