Home / 159,503,570,413.35-220,115,590,349.22-86,259,801,116.40

Finding the Fourth Proportional to 159,503,570,413.35, 220,115,590,349.22 and 86,259,801,116.40

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Solution

The fourth proportional to 159,503,570,413.35, 220,115,590,349.22 and 86,259,801,116.40 is: 119,038,884,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503,570,413.35 : 220,115,590,349.22 = 86,259,801,116.40 : x
  2. Step 2: Convert to fraction form
    159,503,570,413.35/220,115,590,349.22 = 86,259,801,116.40/x
  3. Step 3: Cross multiply
    159,503,570,413.35x = 220,115,590,349.22 × 86,259,801,116.40
  4. Step 4: Simplify right side
    159,503,570,413.35x = 18,987,127,046,142,691,377,152
  5. Step 5: Solve for x
    x = 18,987,127,046,142,691,377,152/159,503,570,413.35
  6. Step 6: Final answer
    x = 119,038,884,188.85

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1.5x scale

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.