Home / 78,760,927,727.73-118,160,186,413.23-25,702,059,569.49

Finding the Fourth Proportional to 78,760,927,727.73, 118,160,186,413.23 and 25,702,059,569.49

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Solution

The fourth proportional to 78,760,927,727.73, 118,160,186,413.23 and 25,702,059,569.49 is: 38,559,222,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,760,927,727.73 : 118,160,186,413.23 = 25,702,059,569.49 : x
  2. Step 2: Convert to fraction form
    78,760,927,727.73/118,160,186,413.23 = 25,702,059,569.49/x
  3. Step 3: Cross multiply
    78,760,927,727.73x = 118,160,186,413.23 × 25,702,059,569.49
  4. Step 4: Simplify right side
    78,760,927,727.73x = 3,036,960,149,934,880,325,632
  5. Step 5: Solve for x
    x = 3,036,960,149,934,880,325,632/78,760,927,727.73
  6. Step 6: Final answer
    x = 38,559,222,669.82

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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.