Home / 345,099,014.55-517,648,521.83-163,700,486.55

Finding the Fourth Proportional to 345,099,014.55, 517,648,521.83 and 163,700,486.55

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Solution

The fourth proportional to 345,099,014.55, 517,648,521.83 and 163,700,486.55 is: 245,550,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,099,014.55 : 517,648,521.83 = 163,700,486.55 : x
  2. Step 2: Convert to fraction form
    345,099,014.55/517,648,521.83 = 163,700,486.55/x
  3. Step 3: Cross multiply
    345,099,014.55x = 517,648,521.83 × 163,700,486.55
  4. Step 4: Simplify right side
    345,099,014.55x = 84,739,314,884,640,800
  5. Step 5: Solve for x
    x = 84,739,314,884,640,800/345,099,014.55
  6. Step 6: Final answer
    x = 245,550,729.83

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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.