Home / 75,694,639.77-104,458,644.86-40,887,330.39

Finding the Fourth Proportional to 75,694,639.77, 104,458,644.86 and 40,887,330.39

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Solution

The fourth proportional to 75,694,639.77, 104,458,644.86 and 40,887,330.39 is: 56,424,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,694,639.77 : 104,458,644.86 = 40,887,330.39 : x
  2. Step 2: Convert to fraction form
    75,694,639.77/104,458,644.86 = 40,887,330.39/x
  3. Step 3: Cross multiply
    75,694,639.77x = 104,458,644.86 × 40,887,330.39
  4. Step 4: Simplify right side
    75,694,639.77x = 4,271,035,124,482,495.50
  5. Step 5: Solve for x
    x = 4,271,035,124,482,495.50/75,694,639.77
  6. Step 6: Final answer
    x = 56,424,538.61

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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.