Home / 31,271,253.61-43,156,915.43-17,336,981.31

Finding the Fourth Proportional to 31,271,253.61, 43,156,915.43 and 17,336,981.31

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Solution

The fourth proportional to 31,271,253.61, 43,156,915.43 and 17,336,981.31 is: 23,926,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271,253.61 : 43,156,915.43 = 17,336,981.31 : x
  2. Step 2: Convert to fraction form
    31,271,253.61/43,156,915.43 = 17,336,981.31/x
  3. Step 3: Cross multiply
    31,271,253.61x = 43,156,915.43 × 17,336,981.31
  4. Step 4: Simplify right side
    31,271,253.61x = 748,210,636,109,218.75
  5. Step 5: Solve for x
    x = 748,210,636,109,218.75/31,271,253.61
  6. Step 6: Final answer
    x = 23,926,467.59

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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.