Home / 314,804,620.80-472,206,931.20-161,749,612.80

Finding the Fourth Proportional to 314,804,620.80, 472,206,931.20 and 161,749,612.80

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Solution

The fourth proportional to 314,804,620.80, 472,206,931.20 and 161,749,612.80 is: 242,624,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,804,620.80 : 472,206,931.20 = 161,749,612.80 : x
  2. Step 2: Convert to fraction form
    314,804,620.80/472,206,931.20 = 161,749,612.80/x
  3. Step 3: Cross multiply
    314,804,620.80x = 472,206,931.20 × 161,749,612.80
  4. Step 4: Simplify right side
    314,804,620.80x = 76,379,288,283,076,240
  5. Step 5: Solve for x
    x = 76,379,288,283,076,240/314,804,620.80
  6. Step 6: Final answer
    x = 242,624,419.20

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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.