Home / 319,873,199.40-479,986,847.67-156,112,312.46

Finding the Fourth Proportional to 319,873,199.40, 479,986,847.67 and 156,112,312.46

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Solution

The fourth proportional to 319,873,199.40, 479,986,847.67 and 156,112,312.46 is: 234,254,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,199.40 : 479,986,847.67 = 156,112,312.46 : x
  2. Step 2: Convert to fraction form
    319,873,199.40/479,986,847.67 = 156,112,312.46/x
  3. Step 3: Cross multiply
    319,873,199.40x = 479,986,847.67 × 156,112,312.46
  4. Step 4: Simplify right side
    319,873,199.40x = 74,931,856,737,749,536
  5. Step 5: Solve for x
    x = 74,931,856,737,749,536/319,873,199.40
  6. Step 6: Final answer
    x = 234,254,876.24

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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.