Home / 292,205,167.80-438,307,801.38-73,856,137.56

Finding the Fourth Proportional to 292,205,167.80, 438,307,801.38 and 73,856,137.56

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Solution

The fourth proportional to 292,205,167.80, 438,307,801.38 and 73,856,137.56 is: 110,784,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,205,167.80 : 438,307,801.38 = 73,856,137.56 : x
  2. Step 2: Convert to fraction form
    292,205,167.80/438,307,801.38 = 73,856,137.56/x
  3. Step 3: Cross multiply
    292,205,167.80x = 438,307,801.38 × 73,856,137.56
  4. Step 4: Simplify right side
    292,205,167.80x = 32,371,721,272,342,440
  5. Step 5: Solve for x
    x = 32,371,721,272,342,440/292,205,167.80
  6. Step 6: Final answer
    x = 110,784,218.90

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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.