Home / 288,860,208.80-433,346,300.40-145,253,040.80

Finding the Fourth Proportional to 288,860,208.80, 433,346,300.40 and 145,253,040.80

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Solution

The fourth proportional to 288,860,208.80, 433,346,300.40 and 145,253,040.80 is: 217,907,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,860,208.80 : 433,346,300.40 = 145,253,040.80 : x
  2. Step 2: Convert to fraction form
    288,860,208.80/433,346,300.40 = 145,253,040.80/x
  3. Step 3: Cross multiply
    288,860,208.80x = 433,346,300.40 × 145,253,040.80
  4. Step 4: Simplify right side
    288,860,208.80x = 62,944,867,852,530,256
  5. Step 5: Solve for x
    x = 62,944,867,852,530,256/288,860,208.80
  6. Step 6: Final answer
    x = 217,907,714.30

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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.