Home / 66,365,028.56-99,547,076.28-18,495,972.56

Finding the Fourth Proportional to 66,365,028.56, 99,547,076.28 and 18,495,972.56

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Solution

The fourth proportional to 66,365,028.56, 99,547,076.28 and 18,495,972.56 is: 27,743,828.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,365,028.56 : 99,547,076.28 = 18,495,972.56 : x
  2. Step 2: Convert to fraction form
    66,365,028.56/99,547,076.28 = 18,495,972.56/x
  3. Step 3: Cross multiply
    66,365,028.56x = 99,547,076.28 × 18,495,972.56
  4. Step 4: Simplify right side
    66,365,028.56x = 1,841,219,991,303,106.75
  5. Step 5: Solve for x
    x = 1,841,219,991,303,106.75/66,365,028.56
  6. Step 6: Final answer
    x = 27,743,828.81

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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.