Home / 103,959,343.80-155,771,054.10-65,552,124.60

Finding the Fourth Proportional to 103,959,343.80, 155,771,054.10 and 65,552,124.60

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Solution

The fourth proportional to 103,959,343.80, 155,771,054.10 and 65,552,124.60 is: 98,222,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,343.80 : 155,771,054.10 = 65,552,124.60 : x
  2. Step 2: Convert to fraction form
    103,959,343.80/155,771,054.10 = 65,552,124.60/x
  3. Step 3: Cross multiply
    103,959,343.80x = 155,771,054.10 × 65,552,124.60
  4. Step 4: Simplify right side
    103,959,343.80x = 10,211,123,547,436,540
  5. Step 5: Solve for x
    x = 10,211,123,547,436,540/103,959,343.80
  6. Step 6: Final answer
    x = 98,222,277.81

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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.