Home / 105,545,867.60-145,653,045.10-57,861,036.79

Finding the Fourth Proportional to 105,545,867.60, 145,653,045.10 and 57,861,036.79

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Solution

The fourth proportional to 105,545,867.60, 145,653,045.10 and 57,861,036.79 is: 79,848,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,545,867.60 : 145,653,045.10 = 57,861,036.79 : x
  2. Step 2: Convert to fraction form
    105,545,867.60/145,653,045.10 = 57,861,036.79/x
  3. Step 3: Cross multiply
    105,545,867.60x = 145,653,045.10 × 57,861,036.79
  4. Step 4: Simplify right side
    105,545,867.60x = 8,427,636,201,106,629
  5. Step 5: Solve for x
    x = 8,427,636,201,106,629/105,545,867.60
  6. Step 6: Final answer
    x = 79,848,092.52

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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.