Home / 138,384,257,519.20-207,555,412,908.72-37,662,973,886.40

Finding the Fourth Proportional to 138,384,257,519.20, 207,555,412,908.72 and 37,662,973,886.40

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Solution

The fourth proportional to 138,384,257,519.20, 207,555,412,908.72 and 37,662,973,886.40 is: 56,488,752,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384,257,519.20 : 207,555,412,908.72 = 37,662,973,886.40 : x
  2. Step 2: Convert to fraction form
    138,384,257,519.20/207,555,412,908.72 = 37,662,973,886.40/x
  3. Step 3: Cross multiply
    138,384,257,519.20x = 207,555,412,908.72 × 37,662,973,886.40
  4. Step 4: Simplify right side
    138,384,257,519.20x = 7,817,154,096,362,090,921,984
  5. Step 5: Solve for x
    x = 7,817,154,096,362,090,921,984/138,384,257,519.20
  6. Step 6: Final answer
    x = 56,488,752,669.56

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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.