Home / 134,530,170.86-185,651,633.94-72,650,507.60

Finding the Fourth Proportional to 134,530,170.86, 185,651,633.94 and 72,650,507.60

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Solution

The fourth proportional to 134,530,170.86, 185,651,633.94 and 72,650,507.60 is: 100,257,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,530,170.86 : 185,651,633.94 = 72,650,507.60 : x
  2. Step 2: Convert to fraction form
    134,530,170.86/185,651,633.94 = 72,650,507.60/x
  3. Step 3: Cross multiply
    134,530,170.86x = 185,651,633.94 × 72,650,507.60
  4. Step 4: Simplify right side
    134,530,170.86x = 13,487,685,442,510,386
  5. Step 5: Solve for x
    x = 13,487,685,442,510,386/134,530,170.86
  6. Step 6: Final answer
    x = 100,257,699.49

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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.