Home / 291,026,400.30-436,539,600.45-137,971,392.30

Finding the Fourth Proportional to 291,026,400.30, 436,539,600.45 and 137,971,392.30

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Solution

The fourth proportional to 291,026,400.30, 436,539,600.45 and 137,971,392.30 is: 206,957,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,026,400.30 : 436,539,600.45 = 137,971,392.30 : x
  2. Step 2: Convert to fraction form
    291,026,400.30/436,539,600.45 = 137,971,392.30/x
  3. Step 3: Cross multiply
    291,026,400.30x = 436,539,600.45 × 137,971,392.30
  4. Step 4: Simplify right side
    291,026,400.30x = 60,229,976,468,172,208
  5. Step 5: Solve for x
    x = 60,229,976,468,172,208/291,026,400.30
  6. Step 6: Final answer
    x = 206,957,088.45

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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.