Home / 84,478,080,263.38-126,717,165,898.33-31,412,218,176.34

Finding the Fourth Proportional to 84,478,080,263.38, 126,717,165,898.33 and 31,412,218,176.34

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Solution

The fourth proportional to 84,478,080,263.38, 126,717,165,898.33 and 31,412,218,176.34 is: 47,118,344,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,478,080,263.38 : 126,717,165,898.33 = 31,412,218,176.34 : x
  2. Step 2: Convert to fraction form
    84,478,080,263.38/126,717,165,898.33 = 31,412,218,176.34/x
  3. Step 3: Cross multiply
    84,478,080,263.38x = 126,717,165,898.33 × 31,412,218,176.34
  4. Step 4: Simplify right side
    84,478,080,263.38x = 3,980,467,261,885,432,987,648
  5. Step 5: Solve for x
    x = 3,980,467,261,885,432,987,648/84,478,080,263.38
  6. Step 6: Final answer
    x = 47,118,344,184.38

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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.