Home / 52,680,282,064.13-79,035,945,897.32-21,221,743,081.25

Finding the Fourth Proportional to 52,680,282,064.13, 79,035,945,897.32 and 21,221,743,081.25

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Solution

The fourth proportional to 52,680,282,064.13, 79,035,945,897.32 and 21,221,743,081.25 is: 31,838,867,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680,282,064.13 : 79,035,945,897.32 = 21,221,743,081.25 : x
  2. Step 2: Convert to fraction form
    52,680,282,064.13/79,035,945,897.32 = 21,221,743,081.25/x
  3. Step 3: Cross multiply
    52,680,282,064.13x = 79,035,945,897.32 × 21,221,743,081.25
  4. Step 4: Simplify right side
    52,680,282,064.13x = 1,677,280,538,015,998,672,896
  5. Step 5: Solve for x
    x = 1,677,280,538,015,998,672,896/52,680,282,064.13
  6. Step 6: Final answer
    x = 31,838,867,832.45

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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.