Home / 99,639,413.69-137,502,449.50-55,586,412.75

Finding the Fourth Proportional to 99,639,413.69, 137,502,449.50 and 55,586,412.75

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Solution

The fourth proportional to 99,639,413.69, 137,502,449.50 and 55,586,412.75 is: 76,709,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,639,413.69 : 137,502,449.50 = 55,586,412.75 : x
  2. Step 2: Convert to fraction form
    99,639,413.69/137,502,449.50 = 55,586,412.75/x
  3. Step 3: Cross multiply
    99,639,413.69x = 137,502,449.50 × 55,586,412.75
  4. Step 4: Simplify right side
    99,639,413.69x = 7,643,267,911,904,065
  5. Step 5: Solve for x
    x = 7,643,267,911,904,065/99,639,413.69
  6. Step 6: Final answer
    x = 76,709,282.29

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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.