Home / 105,545,866.60-145,653,043.73-57,861,035.79

Finding the Fourth Proportional to 105,545,866.60, 145,653,043.73 and 57,861,035.79

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Solution

The fourth proportional to 105,545,866.60, 145,653,043.73 and 57,861,035.79 is: 79,848,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,545,866.60 : 145,653,043.73 = 57,861,035.79 : x
  2. Step 2: Convert to fraction form
    105,545,866.60/145,653,043.73 = 57,861,035.79/x
  3. Step 3: Cross multiply
    105,545,866.60x = 145,653,043.73 × 57,861,035.79
  4. Step 4: Simplify right side
    105,545,866.60x = 8,427,635,975,348,461
  5. Step 5: Solve for x
    x = 8,427,635,975,348,461/105,545,866.60
  6. Step 6: Final answer
    x = 79,848,091.14

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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.