Home / 76,464,261.16-105,520,129.86-41,656,941.16

Finding the Fourth Proportional to 76,464,261.16, 105,520,129.86 and 41,656,941.16

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Solution

The fourth proportional to 76,464,261.16, 105,520,129.86 and 41,656,941.16 is: 57,486,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464,261.16 : 105,520,129.86 = 41,656,941.16 : x
  2. Step 2: Convert to fraction form
    76,464,261.16/105,520,129.86 = 41,656,941.16/x
  3. Step 3: Cross multiply
    76,464,261.16x = 105,520,129.86 × 41,656,941.16
  4. Step 4: Simplify right side
    76,464,261.16x = 4,395,645,840,773,578.50
  5. Step 5: Solve for x
    x = 4,395,645,840,773,578.50/76,464,261.16
  6. Step 6: Final answer
    x = 57,486,278.87

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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.