Home / 103,432,039.40-155,148,059.10-35,276,954.60

Finding the Fourth Proportional to 103,432,039.40, 155,148,059.10 and 35,276,954.60

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Solution

The fourth proportional to 103,432,039.40, 155,148,059.10 and 35,276,954.60 is: 52,915,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432,039.40 : 155,148,059.10 = 35,276,954.60 : x
  2. Step 2: Convert to fraction form
    103,432,039.40/155,148,059.10 = 35,276,954.60/x
  3. Step 3: Cross multiply
    103,432,039.40x = 155,148,059.10 × 35,276,954.60
  4. Step 4: Simplify right side
    103,432,039.40x = 5,473,151,037,148,817
  5. Step 5: Solve for x
    x = 5,473,151,037,148,817/103,432,039.40
  6. Step 6: Final answer
    x = 52,915,431.90

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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.