Home / 72,865,311.66-100,489,015.08-60,455,748.78

Finding the Fourth Proportional to 72,865,311.66, 100,489,015.08 and 60,455,748.78

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Solution

The fourth proportional to 72,865,311.66, 100,489,015.08 and 60,455,748.78 is: 83,374,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,865,311.66 : 100,489,015.08 = 60,455,748.78 : x
  2. Step 2: Convert to fraction form
    72,865,311.66/100,489,015.08 = 60,455,748.78/x
  3. Step 3: Cross multiply
    72,865,311.66x = 100,489,015.08 × 60,455,748.78
  4. Step 4: Simplify right side
    72,865,311.66x = 6,075,138,650,826,112
  5. Step 5: Solve for x
    x = 6,075,138,650,826,112/72,865,311.66
  6. Step 6: Final answer
    x = 83,374,907.93

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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.