Home / 376,892,213.50-565,338,526.80-172,276,799.68

Finding the Fourth Proportional to 376,892,213.50, 565,338,526.80 and 172,276,799.68

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Solution

The fourth proportional to 376,892,213.50, 565,338,526.80 and 172,276,799.68 is: 258,415,293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,892,213.50 : 565,338,526.80 = 172,276,799.68 : x
  2. Step 2: Convert to fraction form
    376,892,213.50/565,338,526.80 = 172,276,799.68/x
  3. Step 3: Cross multiply
    376,892,213.50x = 565,338,526.80 × 172,276,799.68
  4. Step 4: Simplify right side
    376,892,213.50x = 97,394,712,132,909,904
  5. Step 5: Solve for x
    x = 97,394,712,132,909,904/376,892,213.50
  6. Step 6: Final answer
    x = 258,415,293.93

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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.