Home / 54,117,813.77-81,190,255.75-15,779,327.88

Finding the Fourth Proportional to 54,117,813.77, 81,190,255.75 and 15,779,327.88

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Solution

The fourth proportional to 54,117,813.77, 81,190,255.75 and 15,779,327.88 is: 23,672,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,117,813.77 : 81,190,255.75 = 15,779,327.88 : x
  2. Step 2: Convert to fraction form
    54,117,813.77/81,190,255.75 = 15,779,327.88/x
  3. Step 3: Cross multiply
    54,117,813.77x = 81,190,255.75 × 15,779,327.88
  4. Step 4: Simplify right side
    54,117,813.77x = 1,281,127,665,773,802.25
  5. Step 5: Solve for x
    x = 1,281,127,665,773,802.25/54,117,813.77
  6. Step 6: Final answer
    x = 23,672,938.29

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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.