Home / 134,661,840.46-185,833,255.84-72,782,179.02

Finding the Fourth Proportional to 134,661,840.46, 185,833,255.84 and 72,782,179.02

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Solution

The fourth proportional to 134,661,840.46, 185,833,255.84 and 72,782,179.02 is: 100,439,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661,840.46 : 185,833,255.84 = 72,782,179.02 : x
  2. Step 2: Convert to fraction form
    134,661,840.46/185,833,255.84 = 72,782,179.02/x
  3. Step 3: Cross multiply
    134,661,840.46x = 185,833,255.84 × 72,782,179.02
  4. Step 4: Simplify right side
    134,661,840.46x = 13,525,349,294,416,340
  5. Step 5: Solve for x
    x = 13,525,349,294,416,340/134,661,840.46
  6. Step 6: Final answer
    x = 100,439,361.65

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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.