Home / 90,457,321.68-135,730,819.68-35,868,737.40

Finding the Fourth Proportional to 90,457,321.68, 135,730,819.68 and 35,868,737.40

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Solution

The fourth proportional to 90,457,321.68, 135,730,819.68 and 35,868,737.40 is: 53,820,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457,321.68 : 135,730,819.68 = 35,868,737.40 : x
  2. Step 2: Convert to fraction form
    90,457,321.68/135,730,819.68 = 35,868,737.40/x
  3. Step 3: Cross multiply
    90,457,321.68x = 135,730,819.68 × 35,868,737.40
  4. Step 4: Simplify right side
    90,457,321.68x = 4,868,493,128,188,672
  5. Step 5: Solve for x
    x = 4,868,493,128,188,672/90,457,321.68
  6. Step 6: Final answer
    x = 53,820,885.23

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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.