Home / 70,536,936.42-97,342,175.68-38,748,446.43

Finding the Fourth Proportional to 70,536,936.42, 97,342,175.68 and 38,748,446.43

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Solution

The fourth proportional to 70,536,936.42, 97,342,175.68 and 38,748,446.43 is: 53,473,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,536,936.42 : 97,342,175.68 = 38,748,446.43 : x
  2. Step 2: Convert to fraction form
    70,536,936.42/97,342,175.68 = 38,748,446.43/x
  3. Step 3: Cross multiply
    70,536,936.42x = 97,342,175.68 × 38,748,446.43
  4. Step 4: Simplify right side
    70,536,936.42x = 3,771,858,079,716,129
  5. Step 5: Solve for x
    x = 3,771,858,079,716,129/70,536,936.42
  6. Step 6: Final answer
    x = 53,473,517.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.