Home / 305,391,628.80-458,087,443.20-159,768,921.60

Finding the Fourth Proportional to 305,391,628.80, 458,087,443.20 and 159,768,921.60

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Solution

The fourth proportional to 305,391,628.80, 458,087,443.20 and 159,768,921.60 is: 239,653,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,391,628.80 : 458,087,443.20 = 159,768,921.60 : x
  2. Step 2: Convert to fraction form
    305,391,628.80/458,087,443.20 = 159,768,921.60/x
  3. Step 3: Cross multiply
    305,391,628.80x = 458,087,443.20 × 159,768,921.60
  4. Step 4: Simplify right side
    305,391,628.80x = 73,188,136,798,565,248
  5. Step 5: Solve for x
    x = 73,188,136,798,565,248/305,391,628.80
  6. Step 6: Final answer
    x = 239,653,382.40

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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.