Home / 127,692,997,864.81-191,539,681,142.25-52,146,148,544.07

Finding the Fourth Proportional to 127,692,997,864.81, 191,539,681,142.25 and 52,146,148,544.07

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Solution

The fourth proportional to 127,692,997,864.81, 191,539,681,142.25 and 52,146,148,544.07 is: 78,219,298,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,997,864.81 : 191,539,681,142.25 = 52,146,148,544.07 : x
  2. Step 2: Convert to fraction form
    127,692,997,864.81/191,539,681,142.25 = 52,146,148,544.07/x
  3. Step 3: Cross multiply
    127,692,997,864.81x = 191,539,681,142.25 × 52,146,148,544.07
  4. Step 4: Simplify right side
    127,692,997,864.81x = 9,988,056,664,926,614,192,128
  5. Step 5: Solve for x
    x = 9,988,056,664,926,614,192,128/127,692,997,864.81
  6. Step 6: Final answer
    x = 78,219,298,097.31

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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.