Home / 54,355,407.70-81,533,111.55-18,453,615.70

Finding the Fourth Proportional to 54,355,407.70, 81,533,111.55 and 18,453,615.70

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Solution

The fourth proportional to 54,355,407.70, 81,533,111.55 and 18,453,615.70 is: 27,680,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355,407.70 : 81,533,111.55 = 18,453,615.70 : x
  2. Step 2: Convert to fraction form
    54,355,407.70/81,533,111.55 = 18,453,615.70/x
  3. Step 3: Cross multiply
    54,355,407.70x = 81,533,111.55 × 18,453,615.70
  4. Step 4: Simplify right side
    54,355,407.70x = 1,504,580,707,368,931.25
  5. Step 5: Solve for x
    x = 1,504,580,707,368,931.25/54,355,407.70
  6. Step 6: Final answer
    x = 27,680,423.55

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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.