Home / 78,032,604.31-107,684,956.48-46,670,652.74

Finding the Fourth Proportional to 78,032,604.31, 107,684,956.48 and 46,670,652.74

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Solution

The fourth proportional to 78,032,604.31, 107,684,956.48 and 46,670,652.74 is: 64,405,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,032,604.31 : 107,684,956.48 = 46,670,652.74 : x
  2. Step 2: Convert to fraction form
    78,032,604.31/107,684,956.48 = 46,670,652.74/x
  3. Step 3: Cross multiply
    78,032,604.31x = 107,684,956.48 × 46,670,652.74
  4. Step 4: Simplify right side
    78,032,604.31x = 5,025,727,209,200,093
  5. Step 5: Solve for x
    x = 5,025,727,209,200,093/78,032,604.31
  6. Step 6: Final answer
    x = 64,405,478.37

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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.