Home / 156,046,962.53-215,344,804.43-86,436,827.44

Finding the Fourth Proportional to 156,046,962.53, 215,344,804.43 and 86,436,827.44

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Solution

The fourth proportional to 156,046,962.53, 215,344,804.43 and 86,436,827.44 is: 119,282,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,046,962.53 : 215,344,804.43 = 86,436,827.44 : x
  2. Step 2: Convert to fraction form
    156,046,962.53/215,344,804.43 = 86,436,827.44/x
  3. Step 3: Cross multiply
    156,046,962.53x = 215,344,804.43 × 86,436,827.44
  4. Step 4: Simplify right side
    156,046,962.53x = 18,613,721,701,504,856
  5. Step 5: Solve for x
    x = 18,613,721,701,504,856/156,046,962.53
  6. Step 6: Final answer
    x = 119,282,819.74

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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.