Home / 309,363,292.85-426,915,423.77-170,134,054.65

Finding the Fourth Proportional to 309,363,292.85, 426,915,423.77 and 170,134,054.65

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Solution

The fourth proportional to 309,363,292.85, 426,915,423.77 and 170,134,054.65 is: 234,781,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,363,292.85 : 426,915,423.77 = 170,134,054.65 : x
  2. Step 2: Convert to fraction form
    309,363,292.85/426,915,423.77 = 170,134,054.65/x
  3. Step 3: Cross multiply
    309,363,292.85x = 426,915,423.77 × 170,134,054.65
  4. Step 4: Simplify right side
    309,363,292.85x = 72,632,852,037,762,416
  5. Step 5: Solve for x
    x = 72,632,852,037,762,416/309,363,292.85
  6. Step 6: Final answer
    x = 234,781,739.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.