Home / 130,678,973,376.60-195,902,167,999.86-51,072,419,720.28

Finding the Fourth Proportional to 130,678,973,376.60, 195,902,167,999.86 and 51,072,419,720.28

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Solution

The fourth proportional to 130,678,973,376.60, 195,902,167,999.86 and 51,072,419,720.28 is: 76,563,179,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,678,973,376.60 : 195,902,167,999.86 = 51,072,419,720.28 : x
  2. Step 2: Convert to fraction form
    130,678,973,376.60/195,902,167,999.86 = 51,072,419,720.28/x
  3. Step 3: Cross multiply
    130,678,973,376.60x = 195,902,167,999.86 × 51,072,419,720.28
  4. Step 4: Simplify right side
    130,678,973,376.60x = 10,005,197,748,201,653,796,864
  5. Step 5: Solve for x
    x = 10,005,197,748,201,653,796,864/130,678,973,376.60
  6. Step 6: Final answer
    x = 76,563,179,903.23

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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.