Home / 261,068,967.94-360,275,359.68-143,603,234.50

Finding the Fourth Proportional to 261,068,967.94, 360,275,359.68 and 143,603,234.50

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Solution

The fourth proportional to 261,068,967.94, 360,275,359.68 and 143,603,234.50 is: 198,172,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,068,967.94 : 360,275,359.68 = 143,603,234.50 : x
  2. Step 2: Convert to fraction form
    261,068,967.94/360,275,359.68 = 143,603,234.50/x
  3. Step 3: Cross multiply
    261,068,967.94x = 360,275,359.68 × 143,603,234.50
  4. Step 4: Simplify right side
    261,068,967.94x = 51,736,706,960,698,888
  5. Step 5: Solve for x
    x = 51,736,706,960,698,888/261,068,967.94
  6. Step 6: Final answer
    x = 198,172,564.78

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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.