Home / 127,692,997,850.96-191,539,681,121.56-52,146,148,530.32

Finding the Fourth Proportional to 127,692,997,850.96, 191,539,681,121.56 and 52,146,148,530.32

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Solution

The fourth proportional to 127,692,997,850.96, 191,539,681,121.56 and 52,146,148,530.32 is: 78,219,298,076.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,850.96 : 191,539,681,121.56 = 52,146,148,530.32 : x
  2. Step 2: Convert to fraction form
    127,692,997,850.96/191,539,681,121.56 = 52,146,148,530.32/x
  3. Step 3: Cross multiply
    127,692,997,850.96x = 191,539,681,121.56 × 52,146,148,530.32
  4. Step 4: Simplify right side
    127,692,997,850.96x = 9,988,056,661,214,040,686,592
  5. Step 5: Solve for x
    x = 9,988,056,661,214,040,686,592/127,692,997,850.96
  6. Step 6: Final answer
    x = 78,219,298,076.72

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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.