Home / 191,609,654.82-287,410,355.70-53,431,580.40

Finding the Fourth Proportional to 191,609,654.82, 287,410,355.70 and 53,431,580.40

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Solution

The fourth proportional to 191,609,654.82, 287,410,355.70 and 53,431,580.40 is: 80,146,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,609,654.82 : 287,410,355.70 = 53,431,580.40 : x
  2. Step 2: Convert to fraction form
    191,609,654.82/287,410,355.70 = 53,431,580.40/x
  3. Step 3: Cross multiply
    191,609,654.82x = 287,410,355.70 × 53,431,580.40
  4. Step 4: Simplify right side
    191,609,654.82x = 15,356,789,528,377,148
  5. Step 5: Solve for x
    x = 15,356,789,528,377,148/191,609,654.82
  6. Step 6: Final answer
    x = 80,146,219.89

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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.