Home / 288,860,195.80-433,346,280.90-145,253,027.80

Finding the Fourth Proportional to 288,860,195.80, 433,346,280.90 and 145,253,027.80

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Solution

The fourth proportional to 288,860,195.80, 433,346,280.90 and 145,253,027.80 is: 217,907,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,860,195.80 : 433,346,280.90 = 145,253,027.80 : x
  2. Step 2: Convert to fraction form
    288,860,195.80/433,346,280.90 = 145,253,027.80/x
  3. Step 3: Cross multiply
    288,860,195.80x = 433,346,280.90 × 145,253,027.80
  4. Step 4: Simplify right side
    288,860,195.80x = 62,944,859,386,594,312
  5. Step 5: Solve for x
    x = 62,944,859,386,594,312/288,860,195.80
  6. Step 6: Final answer
    x = 217,907,694.80

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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.