Home / 360,456,520.96-540,705,716.50-139,129,124.77

Finding the Fourth Proportional to 360,456,520.96, 540,705,716.50 and 139,129,124.77

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Solution

The fourth proportional to 360,456,520.96, 540,705,716.50 and 139,129,124.77 is: 208,701,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,456,520.96 : 540,705,716.50 = 139,129,124.77 : x
  2. Step 2: Convert to fraction form
    360,456,520.96/540,705,716.50 = 139,129,124.77/x
  3. Step 3: Cross multiply
    360,456,520.96x = 540,705,716.50 × 139,129,124.77
  4. Step 4: Simplify right side
    360,456,520.96x = 75,227,913,094,780,752
  5. Step 5: Solve for x
    x = 75,227,913,094,780,752/360,456,520.96
  6. Step 6: Final answer
    x = 208,701,767.68

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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.