Home / 145,676,851.45-201,028,072.82-79,599,618.02

Finding the Fourth Proportional to 145,676,851.45, 201,028,072.82 and 79,599,618.02

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Solution

The fourth proportional to 145,676,851.45, 201,028,072.82 and 79,599,618.02 is: 109,844,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,676,851.45 : 201,028,072.82 = 79,599,618.02 : x
  2. Step 2: Convert to fraction form
    145,676,851.45/201,028,072.82 = 79,599,618.02/x
  3. Step 3: Cross multiply
    145,676,851.45x = 201,028,072.82 × 79,599,618.02
  4. Step 4: Simplify right side
    145,676,851.45x = 16,001,757,807,873,314
  5. Step 5: Solve for x
    x = 16,001,757,807,873,314/145,676,851.45
  6. Step 6: Final answer
    x = 109,844,204.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.