Home / 127,692,997,897.55-191,539,681,191.38-52,146,148,576.83

Finding the Fourth Proportional to 127,692,997,897.55, 191,539,681,191.38 and 52,146,148,576.83

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Solution

The fourth proportional to 127,692,997,897.55, 191,539,681,191.38 and 52,146,148,576.83 is: 78,219,298,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,897.55 : 191,539,681,191.38 = 52,146,148,576.83 : x
  2. Step 2: Convert to fraction form
    127,692,997,897.55/191,539,681,191.38 = 52,146,148,576.83/x
  3. Step 3: Cross multiply
    127,692,997,897.55x = 191,539,681,191.38 × 52,146,148,576.83
  4. Step 4: Simplify right side
    127,692,997,897.55x = 9,988,056,673,764,352,458,752
  5. Step 5: Solve for x
    x = 9,988,056,673,764,352,458,752/127,692,997,897.55
  6. Step 6: Final answer
    x = 78,219,298,146.46

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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.