Home / 54,404,763.60-81,607,145.40-18,018,769.80

Finding the Fourth Proportional to 54,404,763.60, 81,607,145.40 and 18,018,769.80

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Solution

The fourth proportional to 54,404,763.60, 81,607,145.40 and 18,018,769.80 is: 27,028,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,763.60 : 81,607,145.40 = 18,018,769.80 : x
  2. Step 2: Convert to fraction form
    54,404,763.60/81,607,145.40 = 18,018,769.80/x
  3. Step 3: Cross multiply
    54,404,763.60x = 81,607,145.40 × 18,018,769.80
  4. Step 4: Simplify right side
    54,404,763.60x = 1,470,460,366,997,729
  5. Step 5: Solve for x
    x = 1,470,460,366,997,729/54,404,763.60
  6. Step 6: Final answer
    x = 27,028,154.70

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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.