Home / 406,131,308.60-609,545,327.70-163,968,006.20

Finding the Fourth Proportional to 406,131,308.60, 609,545,327.70 and 163,968,006.20

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Solution

The fourth proportional to 406,131,308.60, 609,545,327.70 and 163,968,006.20 is: 246,092,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,131,308.60 : 609,545,327.70 = 163,968,006.20 : x
  2. Step 2: Convert to fraction form
    406,131,308.60/609,545,327.70 = 163,968,006.20/x
  3. Step 3: Cross multiply
    406,131,308.60x = 609,545,327.70 × 163,968,006.20
  4. Step 4: Simplify right side
    406,131,308.60x = 99,945,932,071,494,640
  5. Step 5: Solve for x
    x = 99,945,932,071,494,640/406,131,308.60
  6. Step 6: Final answer
    x = 246,092,655.15

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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.