Home / 72,557,951,230.79-100,172,924,506.58-64,507,054,571.17

Finding the Fourth Proportional to 72,557,951,230.79, 100,172,924,506.58 and 64,507,054,571.17

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Solution

The fourth proportional to 72,557,951,230.79, 100,172,924,506.58 and 64,507,054,571.17 is: 89,057,921,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,557,951,230.79 : 100,172,924,506.58 = 64,507,054,571.17 : x
  2. Step 2: Convert to fraction form
    72,557,951,230.79/100,172,924,506.58 = 64,507,054,571.17/x
  3. Step 3: Cross multiply
    72,557,951,230.79x = 100,172,924,506.58 × 64,507,054,571.17
  4. Step 4: Simplify right side
    72,557,951,230.79x = 6,461,860,307,699,147,735,040
  5. Step 5: Solve for x
    x = 6,461,860,307,699,147,735,040/72,557,951,230.79
  6. Step 6: Final answer
    x = 89,057,921,262.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.