Home / 103,517,999.85-155,217,950.78-38,823,915.45

Finding the Fourth Proportional to 103,517,999.85, 155,217,950.78 and 38,823,915.45

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Solution

The fourth proportional to 103,517,999.85, 155,217,950.78 and 38,823,915.45 is: 58,213,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,999.85 : 155,217,950.78 = 38,823,915.45 : x
  2. Step 2: Convert to fraction form
    103,517,999.85/155,217,950.78 = 38,823,915.45/x
  3. Step 3: Cross multiply
    103,517,999.85x = 155,217,950.78 × 38,823,915.45
  4. Step 4: Simplify right side
    103,517,999.85x = 6,026,168,597,210,863
  5. Step 5: Solve for x
    x = 6,026,168,597,210,863/103,517,999.85
  6. Step 6: Final answer
    x = 58,213,727.14

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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.