Home / 316,898,467.20-475,347,700.80-163,843,459.20

Finding the Fourth Proportional to 316,898,467.20, 475,347,700.80 and 163,843,459.20

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Solution

The fourth proportional to 316,898,467.20, 475,347,700.80 and 163,843,459.20 is: 245,765,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,898,467.20 : 475,347,700.80 = 163,843,459.20 : x
  2. Step 2: Convert to fraction form
    316,898,467.20/475,347,700.80 = 163,843,459.20/x
  3. Step 3: Cross multiply
    316,898,467.20x = 475,347,700.80 × 163,843,459.20
  4. Step 4: Simplify right side
    316,898,467.20x = 77,882,611,621,838,608
  5. Step 5: Solve for x
    x = 77,882,611,621,838,608/316,898,467.20
  6. Step 6: Final answer
    x = 245,765,188.80

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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.