Home / 305,151,833-457,822,227.82-105,748,080.68

Finding the Fourth Proportional to 305,151,833, 457,822,227.82 and 105,748,080.68

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Solution

The fourth proportional to 305,151,833, 457,822,227.82 and 105,748,080.68 is: 158,654,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,151,833 : 457,822,227.82 = 105,748,080.68 : x
  2. Step 2: Convert to fraction form
    305,151,833/457,822,227.82 = 105,748,080.68/x
  3. Step 3: Cross multiply
    305,151,833x = 457,822,227.82 × 105,748,080.68
  4. Step 4: Simplify right side
    305,151,833x = 48,413,821,884,606,704
  5. Step 5: Solve for x
    x = 48,413,821,884,606,704/305,151,833
  6. Step 6: Final answer
    x = 158,654,861.77

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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.