Home / 72,444,075.73-108,652,250.03-28,128,362.56

Finding the Fourth Proportional to 72,444,075.73, 108,652,250.03 and 28,128,362.56

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Solution

The fourth proportional to 72,444,075.73, 108,652,250.03 and 28,128,362.56 is: 42,187,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444,075.73 : 108,652,250.03 = 28,128,362.56 : x
  2. Step 2: Convert to fraction form
    72,444,075.73/108,652,250.03 = 28,128,362.56/x
  3. Step 3: Cross multiply
    72,444,075.73x = 108,652,250.03 × 28,128,362.56
  4. Step 4: Simplify right side
    72,444,075.73x = 3,056,209,881,803,611
  5. Step 5: Solve for x
    x = 3,056,209,881,803,611/72,444,075.73
  6. Step 6: Final answer
    x = 42,187,160.94

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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.