Home / 56,710,761.02-85,081,279.31-20,322,829.70

Finding the Fourth Proportional to 56,710,761.02, 85,081,279.31 and 20,322,829.70

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Solution

The fourth proportional to 56,710,761.02, 85,081,279.31 and 20,322,829.70 is: 30,489,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710,761.02 : 85,081,279.31 = 20,322,829.70 : x
  2. Step 2: Convert to fraction form
    56,710,761.02/85,081,279.31 = 20,322,829.70/x
  3. Step 3: Cross multiply
    56,710,761.02x = 85,081,279.31 × 20,322,829.70
  4. Step 4: Simplify right side
    56,710,761.02x = 1,729,092,350,075,263.50
  5. Step 5: Solve for x
    x = 1,729,092,350,075,263.50/56,710,761.02
  6. Step 6: Final answer
    x = 30,489,669.31

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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.