Home / 66,365,027.56-99,547,074.78-18,495,971.56

Finding the Fourth Proportional to 66,365,027.56, 99,547,074.78 and 18,495,971.56

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Solution

The fourth proportional to 66,365,027.56, 99,547,074.78 and 18,495,971.56 is: 27,743,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365,027.56 : 99,547,074.78 = 18,495,971.56 : x
  2. Step 2: Convert to fraction form
    66,365,027.56/99,547,074.78 = 18,495,971.56/x
  3. Step 3: Cross multiply
    66,365,027.56x = 99,547,074.78 × 18,495,971.56
  4. Step 4: Simplify right side
    66,365,027.56x = 1,841,219,864,012,073.25
  5. Step 5: Solve for x
    x = 1,841,219,864,012,073.25/66,365,027.56
  6. Step 6: Final answer
    x = 27,743,827.31

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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.