Home / 74,848,774.46-103,392,406.32-56,403,342.92

Finding the Fourth Proportional to 74,848,774.46, 103,392,406.32 and 56,403,342.92

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Solution

The fourth proportional to 74,848,774.46, 103,392,406.32 and 56,403,342.92 is: 77,912,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,848,774.46 : 103,392,406.32 = 56,403,342.92 : x
  2. Step 2: Convert to fraction form
    74,848,774.46/103,392,406.32 = 56,403,342.92/x
  3. Step 3: Cross multiply
    74,848,774.46x = 103,392,406.32 × 56,403,342.92
  4. Step 4: Simplify right side
    74,848,774.46x = 5,831,677,348,990,935
  5. Step 5: Solve for x
    x = 5,831,677,348,990,935/74,848,774.46
  6. Step 6: Final answer
    x = 77,912,796.72

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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.