Home / 193,087,205.30-289,630,807.95-115,488,946.10

Finding the Fourth Proportional to 193,087,205.30, 289,630,807.95 and 115,488,946.10

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Solution

The fourth proportional to 193,087,205.30, 289,630,807.95 and 115,488,946.10 is: 173,233,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,087,205.30 : 289,630,807.95 = 115,488,946.10 : x
  2. Step 2: Convert to fraction form
    193,087,205.30/289,630,807.95 = 115,488,946.10/x
  3. Step 3: Cross multiply
    193,087,205.30x = 289,630,807.95 × 115,488,946.10
  4. Step 4: Simplify right side
    193,087,205.30x = 33,449,156,768,237,000
  5. Step 5: Solve for x
    x = 33,449,156,768,237,000/193,087,205.30
  6. Step 6: Final answer
    x = 173,233,419.15

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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.