Home / 211,488,022.08-291,855,822.12-117,408,530.88

Finding the Fourth Proportional to 211,488,022.08, 291,855,822.12 and 117,408,530.88

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Solution

The fourth proportional to 211,488,022.08, 291,855,822.12 and 117,408,530.88 is: 162,025,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,488,022.08 : 291,855,822.12 = 117,408,530.88 : x
  2. Step 2: Convert to fraction form
    211,488,022.08/291,855,822.12 = 117,408,530.88/x
  3. Step 3: Cross multiply
    211,488,022.08x = 291,855,822.12 × 117,408,530.88
  4. Step 4: Simplify right side
    211,488,022.08x = 34,266,363,303,883,808
  5. Step 5: Solve for x
    x = 34,266,363,303,883,808/211,488,022.08
  6. Step 6: Final answer
    x = 162,025,078.14

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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.