Home / 208,658,467.04-313,023,793.28-70,485,080.31

Finding the Fourth Proportional to 208,658,467.04, 313,023,793.28 and 70,485,080.31

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Solution

The fourth proportional to 208,658,467.04, 313,023,793.28 and 70,485,080.31 is: 105,739,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,658,467.04 : 313,023,793.28 = 70,485,080.31 : x
  2. Step 2: Convert to fraction form
    208,658,467.04/313,023,793.28 = 70,485,080.31/x
  3. Step 3: Cross multiply
    208,658,467.04x = 313,023,793.28 × 70,485,080.31
  4. Step 4: Simplify right side
    208,658,467.04x = 22,063,507,207,929,212
  5. Step 5: Solve for x
    x = 22,063,507,207,929,212/208,658,467.04
  6. Step 6: Final answer
    x = 105,739,812.63

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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.