Home / 289,271,886.21-434,022,807.11-92,565,607.38

Finding the Fourth Proportional to 289,271,886.21, 434,022,807.11 and 92,565,607.38

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Solution

The fourth proportional to 289,271,886.21, 434,022,807.11 and 92,565,607.38 is: 138,885,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,271,886.21 : 434,022,807.11 = 92,565,607.38 : x
  2. Step 2: Convert to fraction form
    289,271,886.21/434,022,807.11 = 92,565,607.38/x
  3. Step 3: Cross multiply
    289,271,886.21x = 434,022,807.11 × 92,565,607.38
  4. Step 4: Simplify right side
    289,271,886.21x = 40,175,584,756,446,904
  5. Step 5: Solve for x
    x = 40,175,584,756,446,904/289,271,886.21
  6. Step 6: Final answer
    x = 138,885,203.41

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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.