Home / 77,352,633.73-106,748,653.64-42,546,237.54

Finding the Fourth Proportional to 77,352,633.73, 106,748,653.64 and 42,546,237.54

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Solution

The fourth proportional to 77,352,633.73, 106,748,653.64 and 42,546,237.54 is: 58,714,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,352,633.73 : 106,748,653.64 = 42,546,237.54 : x
  2. Step 2: Convert to fraction form
    77,352,633.73/106,748,653.64 = 42,546,237.54/x
  3. Step 3: Cross multiply
    77,352,633.73x = 106,748,653.64 × 42,546,237.54
  4. Step 4: Simplify right side
    77,352,633.73x = 4,541,753,574,842,626
  5. Step 5: Solve for x
    x = 4,541,753,574,842,626/77,352,633.73
  6. Step 6: Final answer
    x = 58,714,918.37

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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.