Home / 56,865,372,760.30-78,476,681,188.12-31,490,844,092.08

Finding the Fourth Proportional to 56,865,372,760.30, 78,476,681,188.12 and 31,490,844,092.08

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Solution

The fourth proportional to 56,865,372,760.30, 78,476,681,188.12 and 31,490,844,092.08 is: 43,458,730,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865,372,760.30 : 78,476,681,188.12 = 31,490,844,092.08 : x
  2. Step 2: Convert to fraction form
    56,865,372,760.30/78,476,681,188.12 = 31,490,844,092.08/x
  3. Step 3: Cross multiply
    56,865,372,760.30x = 78,476,681,188.12 × 31,490,844,092.08
  4. Step 4: Simplify right side
    56,865,372,760.30x = 2,471,296,932,158,796,988,416
  5. Step 5: Solve for x
    x = 2,471,296,932,158,796,988,416/56,865,372,760.30
  6. Step 6: Final answer
    x = 43,458,730,897.20

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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.