Home / 238,078,083.60-328,583,613.42-145,312,498.26

Finding the Fourth Proportional to 238,078,083.60, 328,583,613.42 and 145,312,498.26

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Solution

The fourth proportional to 238,078,083.60, 328,583,613.42 and 145,312,498.26 is: 200,553,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,078,083.60 : 328,583,613.42 = 145,312,498.26 : x
  2. Step 2: Convert to fraction form
    238,078,083.60/328,583,613.42 = 145,312,498.26/x
  3. Step 3: Cross multiply
    238,078,083.60x = 328,583,613.42 × 145,312,498.26
  4. Step 4: Simplify right side
    238,078,083.60x = 47,747,305,753,358,264
  5. Step 5: Solve for x
    x = 47,747,305,753,358,264/238,078,083.60
  6. Step 6: Final answer
    x = 200,553,133.79

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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.