Home / 76,961,886.98-106,206,091.32-41,679,405.50

Finding the Fourth Proportional to 76,961,886.98, 106,206,091.32 and 41,679,405.50

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Solution

The fourth proportional to 76,961,886.98, 106,206,091.32 and 41,679,405.50 is: 57,516,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961,886.98 : 106,206,091.32 = 41,679,405.50 : x
  2. Step 2: Convert to fraction form
    76,961,886.98/106,206,091.32 = 41,679,405.50/x
  3. Step 3: Cross multiply
    76,961,886.98x = 106,206,091.32 × 41,679,405.50
  4. Step 4: Simplify right side
    76,961,886.98x = 4,426,606,746,696,310
  5. Step 5: Solve for x
    x = 4,426,606,746,696,310/76,961,886.98
  6. Step 6: Final answer
    x = 57,516,868.68

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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.