Home / 138,384,257,521.70-207,555,412,912.48-37,662,973,888.90

Finding the Fourth Proportional to 138,384,257,521.70, 207,555,412,912.48 and 37,662,973,888.90

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Solution

The fourth proportional to 138,384,257,521.70, 207,555,412,912.48 and 37,662,973,888.90 is: 56,488,752,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384,257,521.70 : 207,555,412,912.48 = 37,662,973,888.90 : x
  2. Step 2: Convert to fraction form
    138,384,257,521.70/207,555,412,912.48 = 37,662,973,888.90/x
  3. Step 3: Cross multiply
    138,384,257,521.70x = 207,555,412,912.48 × 37,662,973,888.90
  4. Step 4: Simplify right side
    138,384,257,521.70x = 7,817,154,097,022,593,138,688
  5. Step 5: Solve for x
    x = 7,817,154,097,022,593,138,688/138,384,257,521.70
  6. Step 6: Final answer
    x = 56,488,752,673.31

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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.