Home / 135,425,099.68-203,145,326.64-43,316,928.16

Finding the Fourth Proportional to 135,425,099.68, 203,145,326.64 and 43,316,928.16

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Solution

The fourth proportional to 135,425,099.68, 203,145,326.64 and 43,316,928.16 is: 64,977,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,425,099.68 : 203,145,326.64 = 43,316,928.16 : x
  2. Step 2: Convert to fraction form
    135,425,099.68/203,145,326.64 = 43,316,928.16/x
  3. Step 3: Cross multiply
    135,425,099.68x = 203,145,326.64 × 43,316,928.16
  4. Step 4: Simplify right side
    135,425,099.68x = 8,799,631,520,104,613
  5. Step 5: Solve for x
    x = 8,799,631,520,104,613/135,425,099.68
  6. Step 6: Final answer
    x = 64,977,847.84

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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.