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Finding the Fourth Proportional to 303,807,705.80, 455,724,000.30 and 88,396,953.80

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Solution

The fourth proportional to 303,807,705.80, 455,724,000.30 and 88,396,953.80 is: 132,599,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,807,705.80 : 455,724,000.30 = 88,396,953.80 : x
  2. Step 2: Convert to fraction form
    303,807,705.80/455,724,000.30 = 88,396,953.80/x
  3. Step 3: Cross multiply
    303,807,705.80x = 455,724,000.30 × 88,396,953.80
  4. Step 4: Simplify right side
    303,807,705.80x = 40,284,613,400,070,288
  5. Step 5: Solve for x
    x = 40,284,613,400,070,288/303,807,705.80
  6. Step 6: Final answer
    x = 132,599,050.75

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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.