Home / 138,384,257,532.12-207,555,412,928.22-37,662,973,899.48

Finding the Fourth Proportional to 138,384,257,532.12, 207,555,412,928.22 and 37,662,973,899.48

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Solution

The fourth proportional to 138,384,257,532.12, 207,555,412,928.22 and 37,662,973,899.48 is: 56,488,752,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384,257,532.12 : 207,555,412,928.22 = 37,662,973,899.48 : x
  2. Step 2: Convert to fraction form
    138,384,257,532.12/207,555,412,928.22 = 37,662,973,899.48/x
  3. Step 3: Cross multiply
    138,384,257,532.12x = 207,555,412,928.22 × 37,662,973,899.48
  4. Step 4: Simplify right side
    138,384,257,532.12x = 7,817,154,099,811,343,925,248
  5. Step 5: Solve for x
    x = 7,817,154,099,811,343,925,248/138,384,257,532.12
  6. Step 6: Final answer
    x = 56,488,752,689.21

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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.