Home / 117,488,115.63-162,137,975.20-70,452,846.88

Finding the Fourth Proportional to 117,488,115.63, 162,137,975.20 and 70,452,846.88

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Solution

The fourth proportional to 117,488,115.63, 162,137,975.20 and 70,452,846.88 is: 97,227,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488,115.63 : 162,137,975.20 = 70,452,846.88 : x
  2. Step 2: Convert to fraction form
    117,488,115.63/162,137,975.20 = 70,452,846.88/x
  3. Step 3: Cross multiply
    117,488,115.63x = 162,137,975.20 × 70,452,846.88
  4. Step 4: Simplify right side
    117,488,115.63x = 11,423,081,940,529,386
  5. Step 5: Solve for x
    x = 11,423,081,940,529,386/117,488,115.63
  6. Step 6: Final answer
    x = 97,227,552.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.