Home / 49,365,461.70-68,091,534.89-31,746,639.78

Finding the Fourth Proportional to 49,365,461.70, 68,091,534.89 and 31,746,639.78

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Solution

The fourth proportional to 49,365,461.70, 68,091,534.89 and 31,746,639.78 is: 43,789,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,365,461.70 : 68,091,534.89 = 31,746,639.78 : x
  2. Step 2: Convert to fraction form
    49,365,461.70/68,091,534.89 = 31,746,639.78/x
  3. Step 3: Cross multiply
    49,365,461.70x = 68,091,534.89 × 31,746,639.78
  4. Step 4: Simplify right side
    49,365,461.70x = 2,161,677,430,061,399
  5. Step 5: Solve for x
    x = 2,161,677,430,061,399/49,365,461.70
  6. Step 6: Final answer
    x = 43,789,267.95

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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.