Home / 238,078,010.24-328,583,511.92-145,312,424.80

Finding the Fourth Proportional to 238,078,010.24, 328,583,511.92 and 145,312,424.80

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Solution

The fourth proportional to 238,078,010.24, 328,583,511.92 and 145,312,424.80 is: 200,553,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,078,010.24 : 328,583,511.92 = 145,312,424.80 : x
  2. Step 2: Convert to fraction form
    238,078,010.24/328,583,511.92 = 145,312,424.80/x
  3. Step 3: Cross multiply
    238,078,010.24x = 328,583,511.92 × 145,312,424.80
  4. Step 4: Simplify right side
    238,078,010.24x = 47,747,266,866,394,912
  5. Step 5: Solve for x
    x = 47,747,266,866,394,912/238,078,010.24
  6. Step 6: Final answer
    x = 200,553,032.25

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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.