Home / 54,475,989.92-81,705,561.69-19,924,311.76

Finding the Fourth Proportional to 54,475,989.92, 81,705,561.69 and 19,924,311.76

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Solution

The fourth proportional to 54,475,989.92, 81,705,561.69 and 19,924,311.76 is: 29,883,386.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,475,989.92 : 81,705,561.69 = 19,924,311.76 : x
  2. Step 2: Convert to fraction form
    54,475,989.92/81,705,561.69 = 19,924,311.76/x
  3. Step 3: Cross multiply
    54,475,989.92x = 81,705,561.69 × 19,924,311.76
  4. Step 4: Simplify right side
    54,475,989.92x = 1,627,927,083,814,320.50
  5. Step 5: Solve for x
    x = 1,627,927,083,814,320.50/54,475,989.92
  6. Step 6: Final answer
    x = 29,883,386.91

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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.