Home / 79,405,596,345.15-119,108,394,517.72-70,727,377,391.55

Finding the Fourth Proportional to 79,405,596,345.15, 119,108,394,517.72 and 70,727,377,391.55

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Solution

The fourth proportional to 79,405,596,345.15, 119,108,394,517.72 and 70,727,377,391.55 is: 106,091,066,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,405,596,345.15 : 119,108,394,517.72 = 70,727,377,391.55 : x
  2. Step 2: Convert to fraction form
    79,405,596,345.15/119,108,394,517.72 = 70,727,377,391.55/x
  3. Step 3: Cross multiply
    79,405,596,345.15x = 119,108,394,517.72 × 70,727,377,391.55
  4. Step 4: Simplify right side
    79,405,596,345.15x = 8,424,224,369,556,408,238,080
  5. Step 5: Solve for x
    x = 8,424,224,369,556,408,238,080/79,405,596,345.15
  6. Step 6: Final answer
    x = 106,091,066,087.32

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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.