Home / 53,045,413.31-79,581,359.49-18,502,312.46

Finding the Fourth Proportional to 53,045,413.31, 79,581,359.49 and 18,502,312.46

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Solution

The fourth proportional to 53,045,413.31, 79,581,359.49 and 18,502,312.46 is: 27,758,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045,413.31 : 79,581,359.49 = 18,502,312.46 : x
  2. Step 2: Convert to fraction form
    53,045,413.31/79,581,359.49 = 18,502,312.46/x
  3. Step 3: Cross multiply
    53,045,413.31x = 79,581,359.49 × 18,502,312.46
  4. Step 4: Simplify right side
    53,045,413.31x = 1,472,439,179,275,566.25
  5. Step 5: Solve for x
    x = 1,472,439,179,275,566.25/53,045,413.31
  6. Step 6: Final answer
    x = 27,758,086.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.