Home / 127,692,997,896.55-191,539,681,189.88-52,146,148,575.83

Finding the Fourth Proportional to 127,692,997,896.55, 191,539,681,189.88 and 52,146,148,575.83

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Solution

The fourth proportional to 127,692,997,896.55, 191,539,681,189.88 and 52,146,148,575.83 is: 78,219,298,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,896.55 : 191,539,681,189.88 = 52,146,148,575.83 : x
  2. Step 2: Convert to fraction form
    127,692,997,896.55/191,539,681,189.88 = 52,146,148,575.83/x
  3. Step 3: Cross multiply
    127,692,997,896.55x = 191,539,681,189.88 × 52,146,148,575.83
  4. Step 4: Simplify right side
    127,692,997,896.55x = 9,988,056,673,493,635,301,376
  5. Step 5: Solve for x
    x = 9,988,056,673,493,635,301,376/127,692,997,896.55
  6. Step 6: Final answer
    x = 78,219,298,144.96

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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.