Home / 372,267,124.40-513,712,060.25-213,383,343.44

Finding the Fourth Proportional to 372,267,124.40, 513,712,060.25 and 213,383,343.44

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Solution

The fourth proportional to 372,267,124.40, 513,712,060.25 and 213,383,343.44 is: 294,459,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,267,124.40 : 513,712,060.25 = 213,383,343.44 : x
  2. Step 2: Convert to fraction form
    372,267,124.40/513,712,060.25 = 213,383,343.44/x
  3. Step 3: Cross multiply
    372,267,124.40x = 513,712,060.25 × 213,383,343.44
  4. Step 4: Simplify right side
    372,267,124.40x = 109,617,596,977,960,240
  5. Step 5: Solve for x
    x = 109,617,596,977,960,240/372,267,124.40
  6. Step 6: Final answer
    x = 294,459,515.21

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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.