Home / 56,657,309.20-84,985,963.80-51,933,389.20

Finding the Fourth Proportional to 56,657,309.20, 84,985,963.80 and 51,933,389.20

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Solution

The fourth proportional to 56,657,309.20, 84,985,963.80 and 51,933,389.20 is: 77,900,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657,309.20 : 84,985,963.80 = 51,933,389.20 : x
  2. Step 2: Convert to fraction form
    56,657,309.20/84,985,963.80 = 51,933,389.20/x
  3. Step 3: Cross multiply
    56,657,309.20x = 84,985,963.80 × 51,933,389.20
  4. Step 4: Simplify right side
    56,657,309.20x = 4,413,609,134,562,511
  5. Step 5: Solve for x
    x = 4,413,609,134,562,511/56,657,309.20
  6. Step 6: Final answer
    x = 77,900,083.80

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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.