Home / 127,692,997,871.38-191,539,681,152.10-52,146,148,550.64

Finding the Fourth Proportional to 127,692,997,871.38, 191,539,681,152.10 and 52,146,148,550.64

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Solution

The fourth proportional to 127,692,997,871.38, 191,539,681,152.10 and 52,146,148,550.64 is: 78,219,298,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,871.38 : 191,539,681,152.10 = 52,146,148,550.64 : x
  2. Step 2: Convert to fraction form
    127,692,997,871.38/191,539,681,152.10 = 52,146,148,550.64/x
  3. Step 3: Cross multiply
    127,692,997,871.38x = 191,539,681,152.10 × 52,146,148,550.64
  4. Step 4: Simplify right side
    127,692,997,871.38x = 9,988,056,666,699,628,281,856
  5. Step 5: Solve for x
    x = 9,988,056,666,699,628,281,856/127,692,997,871.38
  6. Step 6: Final answer
    x = 78,219,298,107.17

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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.