Home / 103,517,999.60-155,217,950.40-38,823,915.20

Finding the Fourth Proportional to 103,517,999.60, 155,217,950.40 and 38,823,915.20

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Solution

The fourth proportional to 103,517,999.60, 155,217,950.40 and 38,823,915.20 is: 58,213,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,999.60 : 155,217,950.40 = 38,823,915.20 : x
  2. Step 2: Convert to fraction form
    103,517,999.60/155,217,950.40 = 38,823,915.20/x
  3. Step 3: Cross multiply
    103,517,999.60x = 155,217,950.40 × 38,823,915.20
  4. Step 4: Simplify right side
    103,517,999.60x = 6,026,168,543,847,407
  5. Step 5: Solve for x
    x = 6,026,168,543,847,407/103,517,999.60
  6. Step 6: Final answer
    x = 58,213,726.76

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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.