Home / 54,404,580.60-81,606,870.90-18,018,586.80

Finding the Fourth Proportional to 54,404,580.60, 81,606,870.90 and 18,018,586.80

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Solution

The fourth proportional to 54,404,580.60, 81,606,870.90 and 18,018,586.80 is: 27,027,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,580.60 : 81,606,870.90 = 18,018,586.80 : x
  2. Step 2: Convert to fraction form
    54,404,580.60/81,606,870.90 = 18,018,586.80/x
  3. Step 3: Cross multiply
    54,404,580.60x = 81,606,870.90 × 18,018,586.80
  4. Step 4: Simplify right side
    54,404,580.60x = 1,470,440,486,788,044.25
  5. Step 5: Solve for x
    x = 1,470,440,486,788,044.25/54,404,580.60
  6. Step 6: Final answer
    x = 27,027,880.20

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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.