Home / 54,966,968.92-75,883,866.50-42,380,533.76

Finding the Fourth Proportional to 54,966,968.92, 75,883,866.50 and 42,380,533.76

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Solution

The fourth proportional to 54,966,968.92, 75,883,866.50 and 42,380,533.76 is: 58,507,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966,968.92 : 75,883,866.50 = 42,380,533.76 : x
  2. Step 2: Convert to fraction form
    54,966,968.92/75,883,866.50 = 42,380,533.76/x
  3. Step 3: Cross multiply
    54,966,968.92x = 75,883,866.50 × 42,380,533.76
  4. Step 4: Simplify right side
    54,966,968.92x = 3,215,998,766,042,583
  5. Step 5: Solve for x
    x = 3,215,998,766,042,583/54,966,968.92
  6. Step 6: Final answer
    x = 58,507,842.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.